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

/
/
gm

Test String

Code Generator

Language

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "^.*?vd=\"(?<group>[^\"]+).*?logid=\"(?<vmid>0201009233).*?service=\"(?<protname>[^\"]+).*?srcip=(?<sip>[0-9.]+)\\sdstip=(?<dip>[0-9.]+)\\ssrcport=(?<sport>\\d+)\\sdstport=(?<dport>\\d+)\\ssrcintf=\"(?<sinterface>[^\"]+)\".*?dstintf=\"(?<dinterface>[^\"]+).*?filename=\"(?<object>[^\"]+)\"\\surl=\"(?<url>[^\"]+)\"\\sprofile=\"(?<subject>[^\"]+)\""; final String string = "11 25 2018 14:15:38 10.196.30.10 <LOC7:INFO> logver=56 timestamp=1543144537 tz=\"UTC+3\" devname=\"SBA-EXTFW-HA_FG380D\" devid=\"FG380D3917800025\" vd=\"SBAEXT-ENT\" date=2018-11-25 time=14:15:37 logid=\"0201009233\" type=\"utm\" subtype=\"virus\" eventtype=\"analytics\" level=\"information\" eventtime=1543144537 msg=\"File submitted to Sandbox.\" action=\"analytics\" service=\"HTTP\" sessionid=3140767419 srcip=10.192.32.74 dstip=18.130.185.128 srcport=42110 dstport=80 srcintf=\"DMZ-1150-int\" srcintfrole=\"dmz\" dstintf=\"Outside-1050\" dstintfrole=\"wan\" policyid=7253 proto=6 direction=\"incoming\" filename=\"jquery.js,qver=1.12.4.pagespeed.jm.pPCPAKkkss.js\" url=\"http://www.citygroupco.com/wp-includes/js/jquery/jquery.js,qver=1.12.4.pagespeed.jm.pPCPAKkkss.js\" profile=\"AV_Block\" agent=\"Chrome/70.0.3538.102\" analyticscksum=\"cdfe845b25091a21147fe4a683515b000208ae4f67810f243d7bf96bc3484115\" analyticssubmit=\"true\"\n\n" + "11 25 2018 14:15:38 10.196.30.10 <LOC7:INFO> logver=56 timestamp=1543144537 tz=\"UTC+3\" devname=\"SBA-EXTFW-HA_FG380D\" devid=\"FG380D3917800025\" vd=\"SBAEXT-ENT\" date=2018-11-25 time=14:15:37 logid=\"0201009233\" type=\"utm\" subtype=\"virus\" eventtype=\"analytics\" level=\"information\" eventtime=1543144537 msg=\"File submitted to Sandbox.\" action=\"analytics\" service=\"HTTP\" sessionid=3140262543 srcip=10.192.32.71 dstip=45.249.214.3 srcport=18875 dstport=80 srcintf=\"DMZ-1150-int\" srcintfrole=\"dmz\" dstintf=\"Outside-1050\" dstintfrole=\"wan\" policyid=7253 proto=6 direction=\"incoming\" filename=\"secars.dll\" url=\"http://antivirus-update.huawei.com/secars/secars.dll?h=663C7E3A477A8DA9AB38886A4119CA8932856F05821B1E2C73EECD0E039E2A25BD45457B13FEAAFBAA4E3769B3097826FF6B87B6AF1503C54C86090FE92E03BA2E0A110B96AD10AFCA9E7918132B441587FDB97002CA3E6EC2E1AB6611E4347B8D9DF57961E9866C47098FD3C9EF66817CBB6867F30255269EC68D2EE6C53DC062A68E94C0581D1C0AEB0D55F536993C4D7FD76665FAA7B3562ADF5AFBF087731E9CCC3CF81F52D13BB98E82B5F862D47B4CC1055C8309361635540E7300F868DA84B03D4BAF1984AA7CF500A961021C54CA4BB497B241E5322A7E217A72F92B33261F49\" profile=\"AV_Block\" analyticscksum=\"ad53d3f73f343d584837984155c5dbac409202f6b2241c5b0f10ed454f563ead\" analyticssubmit=\"true\"\n\n" + "11 25 2018 14:15:37 10.196.30.10 <LOC7:INFO> logver=56 timestamp=1543144536 tz=\"UTC+3\" devname=\"SBA-EXTFW-HA_FG380D\" devid=\"FG380D3917800025\" vd=\"SBAEXT-ENT\" date=2018-11-25 time=14:15:36 logid=\"0201009233\" type=\"utm\" subtype=\"virus\" eventtype=\"analytics\" level=\"information\" eventtime=1543144536 msg=\"File submitted to Sandbox.\" action=\"analytics\" service=\"HTTP\" sessionid=3140675095 srcip=10.192.32.71 dstip=108.167.172.191 srcport=4543 dstport=80 srcintf=\"DMZ-1150-int\" srcintfrole=\"dmz\" dstintf=\"Outside-1050\" dstintfrole=\"wan\" policyid=7253 proto=6 direction=\"incoming\" filename=\"video_bg.jpg\" url=\"http://www.borcaller.com/public/all/rtl/images/video_bg.jpg\" profile=\"AV_Block\" agent=\"Chrome/70.0.3538.102\" analyticscksum=\"47a1bf1a36075b4b78ef0488166a617524a6465e8ab02006593e06aa03d7f263\" analyticssubmit=\"true\""; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); final Matcher matcher = pattern.matcher(string); while (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

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 Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html