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

Language

Generated Code

use strict; my $str = 'We are Hiring - Earn Rs.15000/- Per month - Simple Copy Paste Jobs Earn Rs.25000/- per month - Simple online Jobs - Are You Looking for Home-Based Online Jobs? - Are You a Student, Housewife, jobseeker ? - Are you ready to Work 1 to 2 Hours daily Online? - Do You need Guaranteed Payment Monthly? Then this is for You, - Clicking on their Advertisement E-mails. - Submitting their Data\'s online. - Reading their Advertisement Sms. - Filling Forms on their websites, etc,. FREE to Join >> http://dailyonlinejobs.com DPJ4602162 07 10 2019 20:20:50 http://www.4cashpath.com/ My last month\'s online earning was $17593 just by doing an easy job online. Easiest home based online job to earn extra dollars every month just by doing work for maximum 2 to 3 hrs a day. I have joined this job about 3 months ago and in my first month i have made $12k+ easily without any special online experience. Everybody on this earth can get this job today and start making cash online by just follow details on this website.........'; my $regex = qr/\bhome[\W_]+based[\W_]+online[\W_]+job(?:s)?\b/mip; if ( $str =~ /$regex/g ) { 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