Save & Share

  • Current Version: 1
  • Update Regex
    ctrl+⇧+s
  • Save new Regex
    ctrl+s
  • Add to Community Library

Flavor

  • PCRE2 (PHP)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java
  • .NET 7.0 (C#)
  • Rust
  • PCRE (Legacy)
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests
Sponsors
There are currently no sponsors. Become a sponsor today!
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

Language

Generated Code

use strict; my $str = '{"wvw_matches":[{"wvw_match_id":"2-1","red_world_id":2202,"blue_world_id":2101,"green_world_id":2201,"start_time":"2015-10-16T18:00:00Z","end_time":"2015-10-23T18:00:00Z"},{"wvw_match_id":"2-6","red_world_id":2206,"blue_world_id":2207,"green_world_id":2205,"start_time":"2015-10-16T18:00:00Z","end_time":"2015-10-23T18:00:00Z"},{"wvw_match_id":"2-2","red_world_id":2104,"blue_world_id":2010,"green_world_id":2003,"start_time":"2015-10-16T18:00:00Z","end_time":"2015-10-23T18:00:00Z"},{"wvw_match_id":"2-3","red_world_id":2301,"blue_world_id":2002,"green_world_id":2012,"start_time":"2015-10-16T18:00:00Z","end_time":"2015-10-23T18:00:00Z"},{"wvw_match_id":"2-7","red_world_id":2105,"blue_world_id":2011,"green_world_id":2005,"start_time":"2015-10-16T18:00:00Z","end_time":"2015-10-23T18:00:00Z"},{"wvw_match_id":"2-4","red_world_id":2203,"blue_world_id":2103,"green_world_id":2007,"start_time":"2015-10-16T18:00:00Z","end_time":"2015-10-23T18:00:00Z"},{"wvw_match_id":"2-5","red_world_id":2014,"blue_world_id":2204,"green_world_id":2013,"start_time":"2015-10-16T18:00:00Z","end_time":"2015-10-23T18:00:00Z"},{"wvw_match_id":"2-9","red_world_id":2004,"blue_world_id":2006,"green_world_id":2102,"start_time":"2015-10-16T18:00:00Z","end_time":"2015-10-23T18:00:00Z"},{"wvw_match_id":"2-8","red_world_id":2008,"blue_world_id":2001,"green_world_id":2009,"start_time":"2015-10-16T18:00:00Z","end_time":"2015-10-23T18:00:00Z"},{"wvw_match_id":"1-1","red_world_id":1003,"blue_world_id":1008,"green_world_id":1019,"start_time":"2015-10-17T01:00:00Z","end_time":"2015-10-24T01:00:00Z"},{"wvw_match_id":"1-2","red_world_id":1009,"blue_world_id":1016,"green_world_id":1017,"start_time":"2015-10-17T01:00:00Z","end_time":"2015-10-24T01:00:00Z"},{"wvw_match_id":"1-3","red_world_id":1014,"blue_world_id":1011,"green_world_id":1005,"start_time":"2015-10-17T01:00:00Z","end_time":"2015-10-24T01:00:00Z"},{"wvw_match_id":"1-4","red_world_id":1012,"blue_world_id":1010,"green_world_id":1021,"start_time":"2015-10-17T01:00:00Z","end_time":"2015-10-24T01:00:00Z"},{"wvw_match_id":"1-5","red_world_id":1002,"blue_world_id":1004,"green_world_id":1018,"start_time":"2015-10-17T01:00:00Z","end_time":"2015-10-24T01:00:00Z"},{"wvw_match_id":"1-6","red_world_id":1001,"blue_world_id":1013,"green_world_id":1006,"start_time":"2015-10-17T01:00:00Z","end_time":"2015-10-24T01:00:00Z"},{"wvw_match_id":"1-7","red_world_id":1022,"blue_world_id":1015,"green_world_id":1007,"start_time":"2015-10-17T01:00:00Z","end_time":"2015-10-24T01:00:00Z"},{"wvw_match_id":"1-8","red_world_id":1024,"blue_world_id":1023,"green_world_id":1020,"start_time":"2015-10-17T01:00:00Z","end_time":"2015-10-24T01:00:00Z"}]}'; my $regex = qr/(?sU)(?=\{[^}]*:1017).*:"(.*)"/p; if ( $str =~ /$regex/ ) { print "Whole match is ${^MATCH} and its start/end positions can be obtained via \$-[0] and \$+[0]\n"; # print "Capture Group 1 is $1 and its start/end positions can be obtained via \$-[1] and \$+[1]\n"; # print "Capture Group 2 is $2 ... and so on\n"; } # ${^POSTMATCH} and ${^PREMATCH} are also available with the use of '/p' # Named capture groups can be called via $+{name}

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 Perl, please visit: http://perldoc.perl.org/perlre.html