Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

r"
"
g

Test String

Code Generator

Language

Generated Code

$re = '/\/dev\/sda/'; $str = '{ "id" : "ict-vm", "class" : "system", "claimed" : true, "handle" : "DMI:0001", "description" : "Laptop", "product" : "Latitude E6430 (Latitude E6430)", "vendor" : "Dell Inc.", "version" : "01", "serial" : "7WJRVY1", "width" : 32, "configuration" : { "boot" : "normal", "chassis" : "laptop", "cpus" : "2", "sku" : "Latitude E6430", "uuid" : "44454C4C-5700-104A-8052-B7C04F565931" }, "capabilities" : { "smbios-2.7" : "SMBIOS version 2.7", "dmi-2.7" : "DMI version 2.7", "smp-1.4" : "SMP specification v1.4", "smp" : "Symmetric Multi-Processing" }, "children" : [ { "id" : "core", "class" : "bus", "claimed" : true, "handle" : "DMI:0002", "description" : "Motherboard", "product" : "0H3MT5", "vendor" : "Dell Inc.", "physid" : "0", "version" : "A00", "serial" : "/7WJRVY1/CN129633BL0062/", "children" : [ { "id" : "firmware", "class" : "memory", "claimed" : true, "description" : "BIOS", "vendor" : "Dell Inc.", "physid" : "0", "version" : "A13", "date" : "09/02/2013", "units" : "bytes", "size" : 65536, "capacity" : 14614528, "capabilities" : { "pci" : "PCI bus", "pnp" : "Plug-and-Play", "upgrade" : "BIOS EEPROM can be upgraded", "shadowing" : "BIOS shadowing", "cdboot" : "Booting from CD-ROM/DVD", "bootselect" : "Selectable boot path", "socketedrom" : "BIOS ROM is socketed", "edd" : "Enhanced Disk Drive extensions", "int13floppy1200" : "5.25\\" 1.2MB floppy", "int13floppy720" : "3.5\\" 720KB floppy", "int13floppy2880" : "3.5\\" 2.88MB floppy", "int5printscreen" : "Print Screen key", "int9keyboard" : "i8042 keyboard controller", "int14serial" : "INT14 serial line control", "int17printer" : "INT17 printer control", "acpi" : "ACPI", "usb" : "USB legacy emulation", "smartbattery" : "Smart battery", "biosbootspecification" : "BIOS boot specification", "netboot" : "Function-key initiated network service boot", "uefi" : "UEFI specification is supported" } }, { "id" : "cpu:0", "class" : "processor", "claimed" : true, "handle" : "DMI:0054", "description" : "CPU", "product" : "Intel(R) Core(TM) i7-3540M CPU @ 3.00GHz", "vendor" : "Intel Corp.", "physid" : "54", "businfo" : "cpu@0", "version" : "6.10.9", "serial" : "0003-06A9-0000-0000-0000-0000", "slot" : "SOCKET 0", "units" : "Hz", "size" : 3504492000, "capacity" : 3700000000, "width" : 64, "clock" : 100000000, "configuration" : { "cores" : "2", "enabledcores" : "2", "id" : "2", "threads" : "4" }, "capabilities" : { "x86-64" : "64bits extensions (x86-64)", "boot" : "boot processor", "fpu" : "mathematical co-processor", "fpu_exception" : "FPU exceptions reporting", "wp" : true, "vme" : "virtual mode extensions", "de" : "debugging extensions", "pse" : "page size extensions", "tsc" : "time stamp counter", "msr" : "model-specific registers", "pae" : "4GB+ memory addressing (Physical Address Extension)", "mce" : "machine check exceptions", "cx8" : "compare and exchange 8-byte", "apic" : "on-chip advanced programmable interrupt controller (APIC)", "sep" : "fast system calls", "mtrr" : "memory type range registers", "pge" : "page global enable", "mca" : "machine check architecture", "cmov" : "conditional move instruction", "pat" : "page attribute table", "pse36" : "36-bit page size extensions", "clflush" : true, "dts" : "debug trace and EMON store MSRs", "acpi" : "thermal control (ACPI)", "mmx" : "multimedia extensions (MMX)", "fxsr" : "fast floating point save/restore", "sse" : "streaming SIMD extensions (SSE)", "sse2" : "streaming SIMD extensions (SSE2)", "ss" : "self-snoop", "ht" : "HyperThreading", "tm" : "thermal interrupt and status", "pbe" : "pending break event", "nx" : "no-execute bit (NX)", "rdtscp" : true, "constant_tsc" : true, "arch_perfmon" : true, "pebs" : true, "bts" : true, "xtopology" : true, "nonstop_tsc" : true, "aperfmperf" : true, "eagerfpu" : true, "pni" : true, "pclmulqdq" : true, "dtes64" : true, "monitor" : true, "ds_cpl" : true, "vmx" : "CPU virtualization (Vanderpool)", "smx" : true, "est" : true, "tm2" : true, "ssse3" : true, "cx16" : true, "xtpr" : true, "pdcm" : true, "pcid" : true, "sse4_1" : true, "sse4_2" : true, "x2apic" : true, "popcnt" : true, "tsc_deadline_timer" : true, "aes" : true, "xsave" : true, "avx" : true, "f16c" : true, "rdrand" : true, "lahf_lm" : true, "epb" : true, "tpr_shadow" : true, "vnmi" : true, "flexpriority" : true, "ept" : true, "vpid" : true, "fsgsbase" : true, "smep" : true, "erms" : true, "xsaveopt" : true, "dtherm" : true, "ida" : true, "arat" : true, "pln" : true, "pts" : true, "cpufreq" : "CPU Frequency scaling" }, "children" : [ { "id" : "cache:0", "class" : "memory", "claimed" : true, "handle" : "DMI:0044", "description" : "L2 cache", "physid" : "44", "slot" : "CPU Internal L2", "units" : "bytes", "size" : 524288, "capacity" : 524288, "configuration" : { "level" : "2" }, "capabilities" : { "internal" : "Internal", "write-through" : "Write-trough", "unified" : "Unified cache" } }, { "id" : "cache:1", "class" : "memory", "claimed" : true, "handle" : "DMI:0045", "description" : "L1 cache", "physid" : "45", "slot" : "CPU Internal L1", "units" : "bytes", "size" : 131072, "capacity" : 131072, "configuration" : { "level" : "1" }, "capabilities" : { "internal" : "Internal", "write-through" : "Write-trough", "data" : "Data cache" } }, { "id" : "cache:2", "class" : "memory", "claimed" : true, "handle" : "DMI:0046", "description" : "L3 cache", "physid" : "46", "slot" : "CPU Internal L3", "units" : "bytes", "size" : 4194304, "capacity" : 4194304, "configuration" : { "level" : "3" }, "capabilities" : { "internal" : "Internal", "write-back" : "Write-back", "unified" : "Unified cache" } }, { "id" : "logicalcpu:0", "class" : "processor", "claimed" : true, "handle" : "CPU:2.0", "description" : "Logical CPU", "physid" : "2.1", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:1", "class" : "processor", "claimed" : true, "handle" : "CPU:2.1", "description" : "Logical CPU", "physid" : "2.2", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:2", "class" : "processor", "claimed" : true, "handle" : "CPU:2.2", "description" : "Logical CPU", "physid" : "2.3", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:3", "class" : "processor", "claimed" : true, "handle" : "CPU:2.3", "description" : "Logical CPU", "physid" : "2.4", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:4", "class" : "processor", "claimed" : true, "handle" : "CPU:2.4", "description" : "Logical CPU", "physid" : "2.5", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:5", "class" : "processor", "claimed" : true, "handle" : "CPU:2.5", "description" : "Logical CPU", "physid" : "2.6", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:6", "class" : "processor", "claimed" : true, "handle" : "CPU:2.6", "description" : "Logical CPU", "physid" : "2.7", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:7", "class" : "processor", "claimed" : true, "handle" : "CPU:2.7", "description" : "Logical CPU", "physid" : "2.8", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:8", "class" : "processor", "claimed" : true, "handle" : "CPU:2.8", "description" : "Logical CPU", "physid" : "2.9", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:9", "class" : "processor", "claimed" : true, "handle" : "CPU:2.9", "description" : "Logical CPU", "physid" : "2.a", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:10", "class" : "processor", "claimed" : true, "handle" : "CPU:2.10", "description" : "Logical CPU", "physid" : "2.b", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:11", "class" : "processor", "claimed" : true, "handle" : "CPU:2.11", "description" : "Logical CPU", "physid" : "2.c", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:12", "class" : "processor", "claimed" : true, "handle" : "CPU:2.12", "description" : "Logical CPU", "physid" : "2.d", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:13", "class" : "processor", "claimed" : true, "handle" : "CPU:2.13", "description" : "Logical CPU", "physid" : "2.e", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:14", "class" : "processor", "claimed" : true, "handle" : "CPU:2.14", "description" : "Logical CPU", "physid" : "2.f", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:15", "class" : "processor", "claimed" : true, "handle" : "CPU:2.15", "description" : "Logical CPU", "physid" : "2.10", "width" : 64, "capabilities" : { "logical" : "Logical CPU" } } ] }, { "id" : "memory", "class" : "memory", "claimed" : true, "handle" : "DMI:0047", "description" : "System Memory", "physid" : "47", "slot" : "System board or motherboard", "units" : "bytes", "size" : 8589934592, "children" : [ { "id" : "bank:0", "class" : "memory", "claimed" : true, "handle" : "DMI:0048", "description" : "SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)", "product" : "HMT351S6EFR8A-PB", "vendor" : "Hynix/Hyundai", "physid" : "0", "serial" : "01106510", "slot" : "DIMM A", "units" : "bytes", "size" : 4294967296, "width" : 64, "clock" : 1600000000 }, { "id" : "bank:1", "class" : "memory", "claimed" : true, "handle" : "DMI:004A", "description" : "SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)", "product" : "HMT351S6EFR8A-PB", "vendor" : "Hynix/Hyundai", "physid" : "1", "serial" : "018064B9", "slot" : "DIMM B", "units" : "bytes", "size" : 4294967296, "width" : 64, "clock" : 1600000000 } ] }, { "id" : "cpu:1", "class" : "processor", "claimed" : true, "physid" : "1", "businfo" : "cpu@1", "version" : "6.10.9", "serial" : "0003-06A9-0000-0000-0000-0000", "units" : "Hz", "size" : 3499921000, "capacity" : 3700000000, "configuration" : { "id" : "2" }, "capabilities" : { "vmx" : "CPU virtualization (Vanderpool)", "ht" : "HyperThreading", "cpufreq" : "CPU Frequency scaling" }, "children" : [ { "id" : "logicalcpu:0", "class" : "processor", "claimed" : true, "handle" : "CPU:2.0", "description" : "Logical CPU", "physid" : "2.1", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:1", "class" : "processor", "claimed" : true, "handle" : "CPU:2.1", "description" : "Logical CPU", "physid" : "2.2", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:2", "class" : "processor", "claimed" : true, "handle" : "CPU:2.2", "description" : "Logical CPU", "physid" : "2.3", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:3", "class" : "processor", "claimed" : true, "handle" : "CPU:2.3", "description" : "Logical CPU", "physid" : "2.4", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:4", "class" : "processor", "claimed" : true, "handle" : "CPU:2.4", "description" : "Logical CPU", "physid" : "2.5", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:5", "class" : "processor", "claimed" : true, "handle" : "CPU:2.5", "description" : "Logical CPU", "physid" : "2.6", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:6", "class" : "processor", "claimed" : true, "handle" : "CPU:2.6", "description" : "Logical CPU", "physid" : "2.7", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:7", "class" : "processor", "claimed" : true, "handle" : "CPU:2.7", "description" : "Logical CPU", "physid" : "2.8", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:8", "class" : "processor", "claimed" : true, "handle" : "CPU:2.8", "description" : "Logical CPU", "physid" : "2.9", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:9", "class" : "processor", "claimed" : true, "handle" : "CPU:2.9", "description" : "Logical CPU", "physid" : "2.a", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:10", "class" : "processor", "claimed" : true, "handle" : "CPU:2.10", "description" : "Logical CPU", "physid" : "2.b", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:11", "class" : "processor", "claimed" : true, "handle" : "CPU:2.11", "description" : "Logical CPU", "physid" : "2.c", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:12", "class" : "processor", "claimed" : true, "handle" : "CPU:2.12", "description" : "Logical CPU", "physid" : "2.d", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:13", "class" : "processor", "claimed" : true, "handle" : "CPU:2.13", "description" : "Logical CPU", "physid" : "2.e", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:14", "class" : "processor", "claimed" : true, "handle" : "CPU:2.14", "description" : "Logical CPU", "physid" : "2.f", "capabilities" : { "logical" : "Logical CPU" } }, { "id" : "logicalcpu:15", "class" : "processor", "claimed" : true, "handle" : "CPU:2.15", "description" : "Logical CPU", "physid" : "2.10", "capabilities" : { "logical" : "Logical CPU" } } ] }, { "id" : "pci", "class" : "bridge", "claimed" : true, "handle" : "PCIBUS:0000:00", "description" : "Host bridge", "product" : "3rd Gen Core processor DRAM Controller", "vendor" : "Intel Corporation", "physid" : "100", "businfo" : "pci@0000:00:00.0", "version" : "09", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "ivb_uncore" }, "children" : [ { "id" : "pci:0", "class" : "bridge", "claimed" : true, "handle" : "PCIBUS:0000:01", "description" : "PCI bridge", "product" : "Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port", "vendor" : "Intel Corporation", "physid" : "1", "businfo" : "pci@0000:00:01.0", "version" : "09", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "pcieport" }, "capabilities" : { "pci" : true, "pm" : "Power Management", "msi" : "Message Signalled Interrupts", "pciexpress" : "PCI Express", "normal_decode" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" }, "children" : [ { "id" : "display", "class" : "display", "claimed" : true, "handle" : "PCI:0000:01:00.0", "description" : "VGA compatible controller", "product" : "GF108GLM [NVS 5200M]", "vendor" : "NVIDIA Corporation", "physid" : "0", "businfo" : "pci@0000:01:00.0", "version" : "a1", "width" : 64, "clock" : 33000000, "configuration" : { "driver" : "nouveau", "latency" : "0" }, "capabilities" : { "pm" : "Power Management", "msi" : "Message Signalled Interrupts", "pciexpress" : "PCI Express", "vga_controller" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing", "rom" : "extension ROM" } } ] }, { "id" : "display", "class" : "display", "claimed" : true, "handle" : "PCI:0000:00:02.0", "description" : "VGA compatible controller", "product" : "3rd Gen Core processor Graphics Controller", "vendor" : "Intel Corporation", "physid" : "2", "businfo" : "pci@0000:00:02.0", "version" : "09", "width" : 64, "clock" : 33000000, "configuration" : { "driver" : "i915", "latency" : "0" }, "capabilities" : { "msi" : "Message Signalled Interrupts", "pm" : "Power Management", "vga_controller" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing", "rom" : "extension ROM" } }, { "id" : "usb:0", "class" : "bus", "claimed" : true, "handle" : "PCI:0000:00:14.0", "description" : "USB controller", "product" : "7 Series/C210 Series Chipset Family USB xHCI Host Controller", "vendor" : "Intel Corporation", "physid" : "14", "businfo" : "pci@0000:00:14.0", "version" : "04", "width" : 64, "clock" : 33000000, "configuration" : { "driver" : "xhci_hcd", "latency" : "0" }, "capabilities" : { "pm" : "Power Management", "msi" : "Message Signalled Interrupts", "xhci" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" }, "children" : [ { "id" : "usbhost:0", "class" : "bus", "claimed" : true, "handle" : "USB:4:1", "product" : "xHCI Host Controller", "vendor" : "Linux 4.4.0-53-generic xhci-hcd", "physid" : "0", "businfo" : "usb@4", "logicalname" : "usb4", "version" : "4.04", "configuration" : { "driver" : "hub", "slots" : "4", "speed" : "5000Mbit/s" }, "capabilities" : { "usb-3.00" : true }, "children" : [ { "id" : "usb", "class" : "storage", "claimed" : true, "handle" : "SCSI:00", "description" : "Mass storage device", "product" : "DataTraveler 3.0", "vendor" : "Kingston", "physid" : "1", "businfo" : "usb@4:1", "logicalname" : "scsi0", "version" : "0.01", "serial" : "60A44C41388DF081D98600F9", "configuration" : { "driver" : "usb-storage", "maxpower" : "296mA", "speed" : "5000Mbit/s" }, "capabilities" : { "usb-3.00" : true, "scsi" : "SCSI", "emulated" : "Emulated device", "scsi-host" : "SCSI host adapter" }, "children" : [ { "id" : "disk", "class" : "disk", "claimed" : true, "handle" : "SCSI:00:00:00:00", "description" : "SCSI Disk", "physid" : "0.0.0", "businfo" : "scsi@0:0.0.0", "logicalname" : "/dev/sda", "dev" : "8:0", "units" : "bytes", "size" : 15472047104, "configuration" : { "logicalsectorsize" : "512", "sectorsize" : "512", "signature" : "352d053a" }, "capabilities" : { "partitioned" : "Partitioned disk", "partitioned:dos" : "MS-DOS partition table" }, "children" : [ { "id" : "volume", "class" : "volume", "claimed" : true, "description" : "Windows NTFS volume", "physid" : "1", "businfo" : "scsi@0:0.0.0,1", "logicalname" : ["/dev/sda1", "/media/ict/KINGSTON"], "dev" : "8:1", "version" : "3.1", "serial" : "f4c4-4fe7", "size" : 15471460864, "capacity" : 15471493632, "configuration" : { "clustersize" : "4096", "created" : "2017-01-12 12:53:13", "filesystem" : "ntfs", "label" : "KINGSTON", "modified_by_chkdsk" : "true", "mount.fstype" : "fuseblk", "mount.options" : "rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096", "mounted_on_nt4" : "true", "resize_log_file" : "true", "state" : "mounted", "upgrade_on_mount" : "true" }, "capabilities" : { "primary" : "Primary partition", "bootable" : "Bootable partition (active)", "ntfs" : "Windows NTFS", "initialized" : "initialized volume" } } ] } ] } ] }, { "id" : "usbhost:1", "class" : "bus", "claimed" : true, "handle" : "USB:3:1", "product" : "xHCI Host Controller", "vendor" : "Linux 4.4.0-53-generic xhci-hcd", "physid" : "1", "businfo" : "usb@3", "logicalname" : "usb3", "version" : "4.04", "configuration" : { "driver" : "hub", "slots" : "4", "speed" : "480Mbit/s" }, "capabilities" : { "usb-2.00" : "USB 2.0" } } ] }, { "id" : "communication:0", "class" : "communication", "claimed" : true, "handle" : "PCI:0000:00:16.0", "description" : "Communication controller", "product" : "7 Series/C210 Series Chipset Family MEI Controller #1", "vendor" : "Intel Corporation", "physid" : "16", "businfo" : "pci@0000:00:16.0", "version" : "04", "width" : 64, "clock" : 33000000, "configuration" : { "driver" : "mei_me", "latency" : "0" }, "capabilities" : { "pm" : "Power Management", "msi" : "Message Signalled Interrupts", "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" } }, { "id" : "communication:1", "class" : "communication", "claimed" : true, "handle" : "PCI:0000:00:16.3", "description" : "Serial controller", "product" : "7 Series/C210 Series Chipset Family KT Controller", "vendor" : "Intel Corporation", "physid" : "16.3", "businfo" : "pci@0000:00:16.3", "version" : "04", "width" : 32, "clock" : 66000000, "configuration" : { "driver" : "serial", "latency" : "0" }, "capabilities" : { "pm" : "Power Management", "msi" : "Message Signalled Interrupts", "16550" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" } }, { "id" : "network", "class" : "network", "claimed" : true, "handle" : "PCI:0000:00:19.0", "description" : "Ethernet interface", "product" : "82579LM Gigabit Network Connection", "vendor" : "Intel Corporation", "physid" : "19", "businfo" : "pci@0000:00:19.0", "logicalname" : "eno1", "version" : "04", "serial" : "f0:1f:af:5d:4f:39", "units" : "bit/s", "capacity" : 1000000000, "width" : 32, "clock" : 33000000, "configuration" : { "autonegotiation" : "on", "broadcast" : "yes", "driver" : "e1000e", "driverversion" : "3.2.6-k", "firmware" : "0.13-3", "latency" : "0", "link" : "no", "multicast" : "yes", "port" : "twisted pair" }, "capabilities" : { "pm" : "Power Management", "msi" : "Message Signalled Interrupts", "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing", "ethernet" : true, "physical" : "Physical interface", "tp" : "twisted pair", "10bt" : "10Mbit/s", "10bt-fd" : "10Mbit/s (full duplex)", "100bt" : "100Mbit/s", "100bt-fd" : "100Mbit/s (full duplex)", "1000bt-fd" : "1Gbit/s (full duplex)", "autonegotiation" : "Auto-negotiation" } }, { "id" : "usb:1", "class" : "bus", "claimed" : true, "handle" : "PCI:0000:00:1a.0", "description" : "USB controller", "product" : "7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2", "vendor" : "Intel Corporation", "physid" : "1a", "businfo" : "pci@0000:00:1a.0", "version" : "04", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "ehci-pci", "latency" : "0" }, "capabilities" : { "pm" : "Power Management", "debug" : "Debug port", "ehci" : "Enhanced Host Controller Interface (USB2)", "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" }, "children" : [ { "id" : "usbhost", "class" : "bus", "claimed" : true, "handle" : "USB:1:1", "product" : "EHCI Host Controller", "vendor" : "Linux 4.4.0-53-generic ehci_hcd", "physid" : "1", "businfo" : "usb@1", "logicalname" : "usb1", "version" : "4.04", "configuration" : { "driver" : "hub", "slots" : "3", "speed" : "480Mbit/s" }, "capabilities" : { "usb-2.00" : "USB 2.0" }, "children" : [ { "id" : "usb", "class" : "bus", "claimed" : true, "handle" : "USB:1:2", "description" : "USB hub", "product" : "Integrated Rate Matching Hub", "vendor" : "Intel Corp.", "physid" : "1", "businfo" : "usb@1:1", "version" : "0.00", "configuration" : { "driver" : "hub", "slots" : "6", "speed" : "480Mbit/s" }, "capabilities" : { "usb-2.00" : "USB 2.0" }, "children" : [ { "id" : "usb:0", "class" : "storage", "claimed" : true, "handle" : "SCSI:07", "description" : "Mass storage device", "product" : "DataTraveler 3.0", "vendor" : "Kingston", "physid" : "2", "businfo" : "usb@1:1.2", "logicalname" : "scsi7", "version" : "1.10", "serial" : "60A44C3FB03BBFA0E98F0042", "configuration" : { "driver" : "usb-storage", "maxpower" : "300mA", "speed" : "480Mbit/s" }, "capabilities" : { "usb-2.10" : true, "scsi" : "SCSI", "emulated" : "Emulated device", "scsi-host" : "SCSI host adapter" }, "children" : [ { "id" : "disk", "class" : "disk", "claimed" : true, "handle" : "SCSI:07:00:00:00", "description" : "SCSI Disk", "physid" : "0.0.0", "businfo" : "scsi@7:0.0.0", "logicalname" : "/dev/sdb", "dev" : "8:16", "units" : "bytes", "size" : 7751073792, "configuration" : { "logicalsectorsize" : "512", "sectorsize" : "512" }, "capabilities" : { "partitioned" : "Partitioned disk", "partitioned:dos" : "MS-DOS partition table" }, "children" : [ { "id" : "volume", "class" : "volume", "claimed" : true, "description" : "Windows FAT volume", "vendor" : "SYSLINUX", "physid" : "1", "businfo" : "scsi@7:0.0.0,1", "logicalname" : ["/dev/sdb1", "/lib/live/mount/medium"], "dev" : "8:17", "version" : "FAT32", "serial" : "1de3-2355", "size" : 7748960256, "capacity" : 7750025216, "configuration" : { "FATs" : "2", "filesystem" : "fat", "label" : "UUI", "mount.fstype" : "vfat", "mount.options" : "ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro", "state" : "mounted" }, "capabilities" : { "primary" : "Primary partition", "bootable" : "Bootable partition (active)", "fat" : "Windows FAT", "initialized" : "initialized volume" } } ] } ] }, { "id" : "usb:1", "class" : "generic", "claimed" : true, "handle" : "USB:1:4", "description" : "Generic USB device", "product" : "BCM20702A0", "vendor" : "Broadcom Corp", "physid" : "4", "businfo" : "usb@1:1.4", "version" : "1.12", "serial" : "A4DB30B9947C", "configuration" : { "driver" : "btusb", "speed" : "12Mbit/s" }, "capabilities" : { "usb-2.00" : "USB 2.0" } }, { "id" : "usb:2", "class" : "multimedia", "claimed" : true, "handle" : "USB:1:5", "description" : "Video", "product" : "Laptop_Integrated_Webcam_E4HD", "vendor" : "CN0Y4TWT724873ASA1X3A01", "physid" : "5", "businfo" : "usb@1:1.5", "version" : "28.06", "configuration" : { "driver" : "uvcvideo", "maxpower" : "500mA", "speed" : "480Mbit/s" }, "capabilities" : { "usb-2.00" : "USB 2.0" } } ] } ] } ] }, { "id" : "multimedia", "class" : "multimedia", "claimed" : true, "handle" : "PCI:0000:00:1b.0", "description" : "Audio device", "product" : "7 Series/C210 Series Chipset Family High Definition Audio Controller", "vendor" : "Intel Corporation", "physid" : "1b", "businfo" : "pci@0000:00:1b.0", "version" : "04", "width" : 64, "clock" : 33000000, "configuration" : { "driver" : "snd_hda_intel", "latency" : "0" }, "capabilities" : { "pm" : "Power Management", "msi" : "Message Signalled Interrupts", "pciexpress" : "PCI Express", "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" } }, { "id" : "pci:1", "class" : "bridge", "claimed" : true, "handle" : "PCIBUS:0000:02", "description" : "PCI bridge", "product" : "7 Series/C210 Series Chipset Family PCI Express Root Port 1", "vendor" : "Intel Corporation", "physid" : "1c", "businfo" : "pci@0000:00:1c.0", "version" : "c4", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "pcieport" }, "capabilities" : { "pci" : true, "pciexpress" : "PCI Express", "msi" : "Message Signalled Interrupts", "pm" : "Power Management", "normal_decode" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" } }, { "id" : "pci:2", "class" : "bridge", "claimed" : true, "handle" : "PCIBUS:0000:03", "description" : "PCI bridge", "product" : "7 Series/C210 Series Chipset Family PCI Express Root Port 2", "vendor" : "Intel Corporation", "physid" : "1c.1", "businfo" : "pci@0000:00:1c.1", "version" : "c4", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "pcieport" }, "capabilities" : { "pci" : true, "pciexpress" : "PCI Express", "msi" : "Message Signalled Interrupts", "pm" : "Power Management", "normal_decode" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" }, "children" : [ { "id" : "network", "class" : "network", "claimed" : true, "handle" : "PCI:0000:03:00.0", "description" : "Wireless interface", "product" : "Centrino Advanced-N 6205 [Taylor Peak]", "vendor" : "Intel Corporation", "physid" : "0", "businfo" : "pci@0000:03:00.0", "logicalname" : "wlp3s0", "version" : "34", "serial" : "a4:4e:31:d1:81:e4", "width" : 64, "clock" : 33000000, "configuration" : { "broadcast" : "yes", "driver" : "iwlwifi", "driverversion" : "4.4.0-53-generic", "firmware" : "18.168.6.1", "latency" : "0", "link" : "no", "multicast" : "yes", "wireless" : "IEEE 802.11abgn" }, "capabilities" : { "pm" : "Power Management", "msi" : "Message Signalled Interrupts", "pciexpress" : "PCI Express", "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing", "ethernet" : true, "physical" : "Physical interface", "wireless" : "Wireless-LAN" } } ] }, { "id" : "pci:3", "class" : "bridge", "claimed" : true, "handle" : "PCIBUS:0000:04", "description" : "PCI bridge", "product" : "7 Series/C210 Series Chipset Family PCI Express Root Port 3", "vendor" : "Intel Corporation", "physid" : "1c.2", "businfo" : "pci@0000:00:1c.2", "version" : "c4", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "pcieport" }, "capabilities" : { "pci" : true, "pciexpress" : "PCI Express", "msi" : "Message Signalled Interrupts", "pm" : "Power Management", "normal_decode" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" } }, { "id" : "pci:4", "class" : "bridge", "claimed" : true, "handle" : "PCIBUS:0000:08", "description" : "PCI bridge", "product" : "7 Series/C210 Series Chipset Family PCI Express Root Port 4", "vendor" : "Intel Corporation", "physid" : "1c.3", "businfo" : "pci@0000:00:1c.3", "version" : "c4", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "pcieport" }, "capabilities" : { "pci" : true, "pciexpress" : "PCI Express", "msi" : "Message Signalled Interrupts", "pm" : "Power Management", "normal_decode" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" } }, { "id" : "pci:5", "class" : "bridge", "claimed" : true, "handle" : "PCIBUS:0000:0c", "description" : "PCI bridge", "product" : "7 Series/C210 Series Chipset Family PCI Express Root Port 6", "vendor" : "Intel Corporation", "physid" : "1c.5", "businfo" : "pci@0000:00:1c.5", "version" : "c4", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "pcieport" }, "capabilities" : { "pci" : true, "pciexpress" : "PCI Express", "msi" : "Message Signalled Interrupts", "pm" : "Power Management", "normal_decode" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" }, "children" : [ { "id" : "generic", "class" : "generic", "claimed" : true, "handle" : "PCI:0000:0c:00.0", "description" : "SD Host controller", "product" : "OZ600FJ0/OZ900FJ0/OZ600FJS SD/MMC Card Reader Controller", "vendor" : "O2 Micro, Inc.", "physid" : "0", "businfo" : "pci@0000:0c:00.0", "version" : "05", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "sdhci-pci", "latency" : "0" }, "capabilities" : { "pm" : "Power Management", "pciexpress" : "PCI Express", "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" } } ] }, { "id" : "usb:2", "class" : "bus", "claimed" : true, "handle" : "PCI:0000:00:1d.0", "description" : "USB controller", "product" : "7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1", "vendor" : "Intel Corporation", "physid" : "1d", "businfo" : "pci@0000:00:1d.0", "version" : "04", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "ehci-pci", "latency" : "0" }, "capabilities" : { "pm" : "Power Management", "debug" : "Debug port", "ehci" : "Enhanced Host Controller Interface (USB2)", "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" }, "children" : [ { "id" : "usbhost", "class" : "bus", "claimed" : true, "handle" : "USB:2:1", "product" : "EHCI Host Controller", "vendor" : "Linux 4.4.0-53-generic ehci_hcd", "physid" : "1", "businfo" : "usb@2", "logicalname" : "usb2", "version" : "4.04", "configuration" : { "driver" : "hub", "slots" : "3", "speed" : "480Mbit/s" }, "capabilities" : { "usb-2.00" : "USB 2.0" }, "children" : [ { "id" : "usb", "class" : "bus", "claimed" : true, "handle" : "USB:2:2", "description" : "USB hub", "product" : "Integrated Rate Matching Hub", "vendor" : "Intel Corp.", "physid" : "1", "businfo" : "usb@2:1", "version" : "0.00", "configuration" : { "driver" : "hub", "slots" : "8", "speed" : "480Mbit/s" }, "capabilities" : { "usb-2.00" : "USB 2.0" } } ] } ] }, { "id" : "isa", "class" : "bridge", "claimed" : true, "handle" : "PCI:0000:00:1f.0", "description" : "ISA bridge", "product" : "QM77 Express Chipset LPC Controller", "vendor" : "Intel Corporation", "physid" : "1f", "businfo" : "pci@0000:00:1f.0", "version" : "04", "width" : 32, "clock" : 33000000, "configuration" : { "driver" : "lpc_ich", "latency" : "0" }, "capabilities" : { "isa" : true, "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" } }, { "id" : "storage", "class" : "storage", "claimed" : true, "handle" : "PCI:0000:00:1f.2", "description" : "RAID bus controller", "product" : "82801 Mobile SATA Controller [RAID mode]", "vendor" : "Intel Corporation", "physid" : "1f.2", "businfo" : "pci@0000:00:1f.2", "version" : "04", "width" : 32, "clock" : 66000000, "configuration" : { "driver" : "ahci", "latency" : "0" }, "capabilities" : { "storage" : true, "msi" : "Message Signalled Interrupts", "pm" : "Power Management", "bus_master" : "bus mastering", "cap_list" : "PCI capabilities listing" } }, { "id" : "serial", "class" : "bus", "handle" : "PCI:0000:00:1f.3", "description" : "SMBus", "product" : "7 Series/C210 Series Chipset Family SMBus Controller", "vendor" : "Intel Corporation", "physid" : "1f.3", "businfo" : "pci@0000:00:1f.3", "version" : "04", "width" : 64, "clock" : 33000000, "configuration" : { "latency" : "0" } } ] }, { "id" : "scsi", "class" : "storage", "claimed" : true, "physid" : "2", "logicalname" : "scsi2", "capabilities" : { "emulated" : "Emulated device" }, "children" : [ { "id" : "cdrom", "class" : "disk", "claimed" : true, "handle" : "SCSI:02:00:00:00", "description" : "DVD-RAM writer", "product" : "DVD+-RW UJ8DB", "vendor" : "MATSHITA", "physid" : "0.0.0", "businfo" : "scsi@2:0.0.0", "logicalname" : ["/dev/cdrom", "/dev/cdrw", "/dev/dvd", "/dev/dvdrw", "/dev/sr0"], "dev" : "11:0", "version" : "D.03", "configuration" : { "ansiversion" : "5", "status" : "nodisc" }, "capabilities" : { "removable" : "support is removable", "audio" : "Audio CD playback", "cd-r" : "CD-R burning", "cd-rw" : "CD-RW burning", "dvd" : "DVD playback", "dvd-r" : "DVD-R burning", "dvd-ram" : "DVD-RAM burning" } } ] } ] }, { "id" : "battery", "class" : "power", "claimed" : true, "handle" : "DMI:1600", "product" : "DELL 05VFW39", "vendor" : "LG", "physid" : "1", "version" : "09/20/2013", "serial" : "1A8B", "slot" : "Sys. Battery Bay", "units" : "mWh", "capacity" : 86580, "configuration" : { "voltage" : "11.1V" } }, { "id" : "power", "class" : "power", "description" : "To Be Filled By O.E.M.", "product" : "To Be Filled By O.E.M.", "vendor" : "To Be Filled By O.E.M.", "physid" : "2", "version" : "To Be Filled By O.E.M.", "serial" : "To Be Filled By O.E.M.", "units" : "mWh", "capacity" : 130 } ] } '; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php