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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 = '<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Dimitri Smeets</title> <link rel="stylesheet" href="css/style.css" type="text/css" charset="utf-8" /> </head> <body> <span id="background"></span> <div id="page"> <div id="sidebar"> <a href="index.html">The selected works of Dimitri Smeets</a> </p> <!-- /#logo --> <ul id="navigation"> <li><a href="about.html">About</a></li> <li><a href="games.html">games</a></li> <li><a href="contact.html">Contact </a></li> <li></li> </ul> <!-- /#navigation --> <ul id="connect"> <li><a href="https://nl-nl.facebook.com/d3ullist" target="_blank" class="facebook"></a></li> <li><a href="http://twitter.com/D3ullist" target="_blank" class="twitter"></a></li> <li></li> </ul> <!-- /#connect --> <div class="footer"></div> <!-- /.footer --> </div> <!-- /#sidebar --> <div id="contents"> <span class="header"></span> <h1 align="center">The portfolio site of Dimitri Smeets </h1> <p><center> <p><img src="images/IMG-20131110-WA0005.jpg" width="206" height="241"></p> <p>I am a student at the Grafish lyceum rotterdam where I study Game Development.</p> <p>I have experience with several program languages such as:</p> <p>C#, javascript, c++ </p> <p>And am still developing my skills in these languages</p> <p>&nbsp;</p> </center></p> <p>&nbsp;</p> <p>&nbsp; </p> </div> <!-- /#contents --> </div> <!-- /#page --> </body> </html>'; my $regex = qr/<img *src= *"(?<img>[^"]*)"/p; 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