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

r"
"
gm

Test String

Code Generator

Language

Generated Code

use strict; my $str = 'http://200.175.79.171:8000/;stream.nsv http://162.221.185.250:9314 http://radio2.suaradionanet.net:8044/;stream.mp3 http://centova2.euroti.com.br:8443/stream http://sc4.dnip.com.br:11260 http://c1.fabricahost.com.br:8092/stream http://rvn01.estudioproarte.com.br:8444/stream http://wz4.dnip.com.br/fmpontao/fmpontao.stream/playlist.m3u8 http://stm8.xcast.com.br:9770/ http://209.126.127.125:8348/live http://stm7.pagehost.com.br:27292/;?1508412260756 http://69.162.64.252:8692/live http://rvn01.painelstream.net:8638 http://2.stm-ip.com:8578/;stream.mp3 http://stm51.streamingbage.net.br:18164 http://audio1.cmaudioevideo.com:8346/stream http://radio.radionaturezafm.com.br:9994 http://srv-stream.sisdera.com:8000/SOCIEDADECARNAVA http://stm1.srvaudio.com.br:9422/;type=mp3 https://streaming.speedrs.com.br/radio/8050/jaboticaba http://hts03.kshost.com.br:8014/live'; my $regex = qr/(?<!/)/[^/\n]*$/mp; 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