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

/
/
gmi

Test String

Code Generator

Language

Generated Code

use strict; my $str = 'https://soundcloud.com/deejay-la-x https://soundcloud.com/deejay-la-x/my-christmas-mix-with-tarmac sdasdddd https://soundcloud.com/golden-rose-428706194/drip-vol2 https://soundcloud.com/karyomusic/karyo-my-neck-lick-it?utm_source=clipboard&utm_medium=text&utm_campaign=social_sharing https://soundcloud.com/rnjonesnc/sets/30-flights-of-elevation https://on.soundcloud.com/5dTNx <iframe width="100%" height="300" scrolling="no" frameborder="no" allow="autoplay" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/923619058&color=%23ff5500&auto_play=false&hide_related=false&show_comments=true&show_user=true&show_reposts=false&show_teaser=true&visual=true"></iframe><div style="font-size: 10px; color: #cccccc;line-break: anywhere;word-break: normal;overflow: hidden;white-space: nowrap;text-overflow: ellipsis; font-family: Interstate,Lucida Grande,Lucida Sans Unicode,Lucida Sans,Garuda,Verdana,Tahoma,sans-serif;font-weight: 100;"><a href="https://soundcloud.com/kaytranada" title="&quot;KKAAYYTTRRAA&quot;" target="_blank" style="color: #cccccc; text-decoration: none;">&quot;KKAAYYTTRRAA&quot;</a> ยท <a href="https://soundcloud.com/kaytranada/love-is-stronger-than-pride-kaytra-edit" title="LOVE IS STRONGER THAN PRIDE (KAYTRA EDIT)" target="_blank" style="color: #cccccc; text-decoration: none;">LOVE IS STRONGER THAN PRIDE (KAYTRA EDIT)</a></div> '; my $regex = qr/(?:(https?):\/\/)?(?:(?:www|m|api)\.)?(soundcloud\.com|snd\.sc)\/+([a-zA-Z0-9\-\.]+\/*[a-zA-Z0-9\-\.]*\/*[a-zA-Z0-9\-\.]*)/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