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

$re = '/\/jquery(-migrate)?-?([0-9.]+)?(.min|.slim|.slim.min)?.js(\?(.*))?$/m'; $str = '/wp-includes/js/jquery/jquery.min.js?ver=3.6.3 /wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.0 /wp-content/cache/min/1/wp-content/plugins/contact-form-7/includes/swv/js/index.js?ver=1681253853 /wp-content/cache/min/1/wp-content/plugins/contact-form-7/includes/js/index.js?ver=1681253853 /wp-content/plugins/woocommerce/assets/js/jquery-blockui/jquery.blockUI.min.js?ver=2.7.0-wc.7.5.1 /wp-content/plugins/woocommerce/assets/js/frontend/add-to-cart.min.js?ver=7.5.1 /wp-content/plugins/woocommerce/assets/js/js-cookie/js.cookie.min.js?ver=2.1.4-wc.7.5.1 /wp-content/plugins/woocommerce/assets/js/frontend/woocommerce.min.js?ver=7.5.1 /wp-content/plugins/woocommerce/assets/js/frontend/cart-fragments.min.js?ver=7.5.1 /wp-content/cache/min/1/wp-content/themes/avant/js/caroufredsel/jquery.carouFredSel-6.2.1-packed.js?ver=1681253853 /wp-content/cache/min/1/wp-content/themes/avant/js/custom.js?ver=1681253853 /wp-content/cache/min/1/wp-content/themes/avant/js/caroufredsel/jquery.carouFredSel-6.2.1-packed.js?ver=1681253853 /wp-content/cache/min/1/wp-content/themes/avant/js/home-slider.js?ver=1681253853 /wp-content/plugins/wp-rocket/assets/js/lazyload/17.5/lazyload.min.js https://connect.facebook.net/signals/config/1807652092901535?v=2.9.101&r=stable https://connect.facebook.net/signals/plugins/identity.js?v=2.9.101 https://connect.facebook.net/en_US/fbevents.js data:text/javascript;base64,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 data:text/javascript;base64,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 data:text/javascript;base64,CgkJKGZ1bmN0aW9uICgpIHsKCQkJdmFyIGMgPSBkb2N1bWVudC5ib2R5LmNsYXNzTmFtZTsKCQkJYyA9IGMucmVwbGFjZSgvd29vY29tbWVyY2Utbm8tanMvLCAnd29vY29tbWVyY2UtanMnKTsKCQkJZG9jdW1lbnQuYm9keS5jbGFzc05hbWUgPSBjOwoJCX0pKCk7Cgk= 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data:text/javascript;base64,CgkvKHRyaWRlbnR8bXNpZSkvaS50ZXN0KG5hdmlnYXRvci51c2VyQWdlbnQpJiZkb2N1bWVudC5nZXRFbGVtZW50QnlJZCYmd2luZG93LmFkZEV2ZW50TGlzdGVuZXImJndpbmRvdy5hZGRFdmVudExpc3RlbmVyKCJoYXNoY2hhbmdlIixmdW5jdGlvbigpe3ZhciB0LGU9bG9jYXRpb24uaGFzaC5zdWJzdHJpbmcoMSk7L15bQS16MC05Xy1dKyQvLnRlc3QoZSkmJih0PWRvY3VtZW50LmdldEVsZW1lbnRCeUlkKGUpKSYmKC9eKD86YXxzZWxlY3R8aW5wdXR8YnV0dG9ufHRleHRhcmVhKSQvaS50ZXN0KHQudGFnTmFtZSl8fCh0LnRhYkluZGV4PS0xKSx0LmZvY3VzKCkpfSwhMSk7Cgk='; 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