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
Processing...

Test String

Code Generator

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "dcs.lustre.device.ost.attributes\[.*-((.*).+?),.*,rate\]" Local $sString = "[" & @CRLF & _ "{" & @CRLF & _ "itemid: "26940"," & @CRLF & _ "status: "0"," & @CRLF & _ "lastvalue: "60843699081216"," & @CRLF & _ "lastclock: "1454321651"," & @CRLF & _ "key_: "dcs.lustre.device.ost.attributes[plexfs-OST0000,kbytesavail]"," & @CRLF & _ "name: "OST0000 available space"," & @CRLF & _ "hostname: "lustre_plexfs"," & @CRLF & _ "value: "lustre"," & @CRLF & _ "delay: "60"," & @CRLF & _ "value_type: "3"," & @CRLF & _ "units: "Bytes"," & @CRLF & _ "category: "performance"," & @CRLF & _ "type: "filesystem"," & @CRLF & _ "history: "90"" & @CRLF & _ "}," & @CRLF & _ "{" & @CRLF & _ "itemid: "26943"," & @CRLF & _ "status: "0"," & @CRLF & _ "lastvalue: "61486384615424"," & @CRLF & _ "lastclock: "1454321686"," & @CRLF & _ "key_: "dcs.lustre.device.ost.attributes[plexfs-OST0001,kbytesfree]"," & @CRLF & _ "name: "OST0001 free space"," & @CRLF & _ "hostname: "lustre_plexfs"," & @CRLF & _ "value: "lustre"," & @CRLF & _ "delay: "5"," & @CRLF & _ "value_type: "3"," & @CRLF & _ "units: "Bytes"," & @CRLF & _ "category: "performance"," & @CRLF & _ "type: "filesystem"," & @CRLF & _ "history: "90"" & @CRLF & _ "}," & @CRLF & _ "{" & @CRLF & _ "itemid: "26944"," & @CRLF & _ "status: "0"," & @CRLF & _ "lastvalue: "62068190941184"," & @CRLF & _ "lastclock: "1454272094"," & @CRLF & _ "key_: "dcs.lustre.device.ost.attributes[plexfs-OST0000,kbytestotal]"," & @CRLF & _ "name: "OST0000 total space"," & @CRLF & _ "hostname: "lustre_plexfs"," & @CRLF & _ "value: "lustre"," & @CRLF & _ "delay: "86400"," & @CRLF & _ "value_type: "3"," & @CRLF & _ "units: "Bytes"," & @CRLF & _ "category: "performance"," & @CRLF & _ "type: "filesystem"," & @CRLF & _ "history: "90"" & @CRLF & _ "}," & @CRLF & _ "{" & @CRLF & _ "itemid: "26945"," & @CRLF & _ "status: "0"," & @CRLF & _ "lastvalue: "62068190941184"," & @CRLF & _ "lastclock: "1454272092"," & @CRLF & _ "key_: "dcs.lustre.device.ost.attributes[plexfs-OST0001,kbytestotal]"," & @CRLF & _ "name: "OST0001 total space"," & @CRLF & _ "hostname: "lustre_plexfs"," & @CRLF & _ "value: "lustre"," & @CRLF & _ "delay: "86400"," & @CRLF & _ "value_type: "3"," & @CRLF & _ "units: "Bytes"," & @CRLF & _ "category: "performance"," & @CRLF & _ "type: "filesystem"," & @CRLF & _ "history: "90"" & @CRLF & _ "}," & @CRLF & _ "{" & @CRLF & _ "itemid: "26946"," & @CRLF & _ "status: "0"," & @CRLF & _ "lastvalue: "0"," & @CRLF & _ "lastclock: "1454321686"," & @CRLF & _ "key_: "dcs.lustre.device.ost.attributes[plexfs-OST0000,read_bytes,rate]"," & @CRLF & _ "name: "OST0000 read"," & @CRLF & _ "hostname: "lustre_plexfs"," & @CRLF & _ "value: "lustre"," & @CRLF & _ "delay: "5"," & @CRLF & _ "value_type: "3"," & @CRLF & _ "units: "Bytes/sec"," & @CRLF & _ "category: "performance"," & @CRLF & _ "type: "filesystem"," & @CRLF & _ "history: "90"" & @CRLF & _ "}," & @CRLF & _ "{" & @CRLF & _ "itemid: "26942"," & @CRLF & _ "status: "0"," & @CRLF & _ "lastvalue: "61477895307264"," & @CRLF & _ "lastclock: "1454321686"," & @CRLF & _ "key_: "dcs.lustre.device.ost.attributes[plexfs-OST0000,kbytesfree]"," & @CRLF & _ "name: "OST0000 free space"," & @CRLF & _ "hostname: "lustre_plexfs"," & @CRLF & _ "value: "lustre"," & @CRLF & _ "delay: "5"," & @CRLF & _ "value_type: "3"," & @CRLF & _ "units: "Bytes"," & @CRLF & _ "category: "performance"," & @CRLF & _ "type: "filesystem"," & @CRLF & _ "history: "90"" & @CRLF & _ "}," & @CRLF & _ "{" & @CRLF & _ "itemid: "26951"," & @CRLF & _ "status: "0"," & @CRLF & _ "lastvalue: "2878341087"," & @CRLF & _ "lastclock: "1454321686"," & @CRLF & _ "key_: "dcs.lustre.device.ost.attributes[plexfs-OST0001,write_bytes,rate]"," & @CRLF & _ "name: "OST0001 write"," & @CRLF & _ "hostname: "lustre_plexfs"," & @CRLF & _ "value: "lustre"," & @CRLF & _ "delay: "5"," & @CRLF & _ "value_type: "3"," & @CRLF & _ "units: "Bytes/sec"," & @CRLF & _ "category: "performance"," & @CRLF & _ "type: "filesystem"," & @CRLF & _ "history: "90"" & @CRLF & _ "}," & @CRLF & _ "{" & @CRLF & _ "itemid: "26950"," & @CRLF & _ "status: "0"," & @CRLF & _ "lastvalue: "3185573852"," & @CRLF & _ "lastclock: "1454321686"," & @CRLF & _ "key_: "dcs.lustre.device.ost.attributes[plexfs-OST0000,write_bytes,rate]"," & @CRLF & _ "name: "OST0000 write"," & @CRLF & _ "hostname: "lustre_plexfs"," & @CRLF & _ "value: "lustre"," & @CRLF & _ "delay: "5"," & @CRLF & _ "value_type: "3"," & @CRLF & _ "units: "Bytes/sec"," & @CRLF & _ "category: "performance"," & @CRLF & _ "type: "filesystem"," & @CRLF & _ "history: "90"" & @CRLF & _ "}," & @CRLF & _ "{" & @CRLF & _ "itemid: "26947"," & @CRLF & _ "status: "0"," & @CRLF & _ "lastvalue: "0"," & @CRLF & _ "lastclock: "1454321686"," & @CRLF & _ "key_: "dcs.lustre.device.ost.attributes[plexfs-OST0001,read_bytes,rate]"," & @CRLF & _ "name: "OST0001 read"," & @CRLF & _ "hostname: "lustre_plexfs"," & @CRLF & _ "value: "lustre"," & @CRLF & _ "delay: "5"," & @CRLF & _ "value_type: "3"," & @CRLF & _ "units: "Bytes/sec"," & @CRLF & _ "category: "performance"," & @CRLF & _ "type: "filesystem"," & @CRLF & _ "history: "90"" & @CRLF & _ "}" & @CRLF & _ "]" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYFULLMATCH) ; Present the entire match result _ArrayDisplay($aArray, "Result")

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 AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm