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

/
/
s

Test String

Code Generator

Language

Generated Code

$re = '/playlist\.m3u8\?id=([^&=>]+).*?enableVideo\("([^"]*)/s'; $str = '<script type="text/javascript"> var videoPlayer = document.createElement("video"); videoPlayer.setAttribute("id", "videoplayer"); videoPlayer.setAttribute("width", "580"); videoPlayer.setAttribute("height", "450"); videoPlayer.setAttribute("poster", "/static/images/logo.png"); videoPlayer.setAttribute("autoplay", true); videoPlayer.setAttribute("controls", ""); var em = document.createElement("em"); em.innerHTML = "Sorry, your browser doesn\'t support HTML5 video."; videoPlayer.appendChild(em); document.getElementById("player_div").appendChild(videoPlayer); function setupVideo() { if (Hls.isSupported()) { var video = document.getElementById(\'videoplayer\'); var player = new Hls(); player.attachMedia(video); player.on(Hls.Events.MEDIA_ATTACHED, function () { var hlsUrl = "http://" + ea + ":8088/live/shid04/playlist.m3u8?id=95328&pk="; hlsUrl = hlsUrl + enableVideo("5be02e45f5917b29199f8e5326499a6f8c6c7c9df86920b38c09bee46b050289"); player.loadSource(hlsUrl); player.on(Hls.Events.MANIFEST_PARSED, function (event, data) { video.play(); }); }); }else { em.innerHTML = "Sorry, your browser doesn\'t support HTML5 video."; } } </script>'; preg_match($re, $str, $matches, PREG_OFFSET_CAPTURE, 0); // Print the entire match result var_dump($matches);

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 PHP, please visit: http://php.net/manual/en/ref.pcre.php