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

$re = '/[0-9]{2}:(([1-9][0-9])|(0[1-9]))/m'; $str = '\'00:00\', \'00:05\', \'00:15\', \'00:20\', \'00:25\', \'00:30\', \'00:35\', \'00:40\', \'00:45\', \'00:50\', \'00:55\', \'01:00\', \'01:05\', \'01:10\', \'01:15\', \'01:20\', \'01:40\', \'01:45\', \'01:55\', \'02:05\', \'02:10\', \'02:15\', \'02:35\', \'02:40\', \'02:45\', \'02:55\', \'03:05\', \'03:10\', \'03:30\', \'03:55\', \'04:00\', \'04:05\', \'04:25\', \'04:40\', \'04:55\', \'05:00\', \'05:05\', \'05:15\', \'05:20\', \'05:25\', \'05:30\', \'05:35\', \'05:50\', \'05:55\', \'06:05\', \'06:20\', \'06:25\', \'06:30\', \'06:35\', \'06:45\', \'06:50\', \'07:05\', \'07:15\', \'07:30\', \'07:40\', \'07:45\', \'07:50\', \'07:55\', \'08:10\', \'08:20\', \'08:25\', \'08:40\', \'08:45\', \'08:50\', \'09:15\', \'09:20\', \'09:45\', \'09:50\', \'09:55\', \'10:10\', \'10:15\', \'10:25\', \'10:30\', \'10:45\', \'10:50\', \'11:00\', \'11:05\', \'11:15\', \'11:25\', \'11:35\', \'11:45\', \'11:50\', \'11:55\', \'12:00\', \'12:10\', \'12:15\', \'12:25\', \'12:50\', \'12:55\', \'13:00\', \'13:40\', \'13:45\', \'13:50\', \'14:00\', \'14:10\', \'14:20\', \'14:35\', \'14:55\', \'15:05\', \'15:10\', \'15:15\', \'15:20\', \'15:25\', \'15:45\', \'15:55\', \'16:10\', \'16:15\', \'16:20\', \'16:25\', \'16:35\', \'16:45\', \'16:50\', \'16:55\', \'17:05\', \'17:30\', \'17:35\', \'17:45\', \'17:50\', \'18:00\', \'18:05\', \'18:10\', \'18:15\', \'18:20\', \'18:30\', \'18:35\', \'18:45\', \'19:00\', \'19:10\', \'19:20\', \'19:40\', \'19:50\', \'20:00\', \'20:15\', \'20:20\', \'20:35\', \'20:45\', \'20:55\', \'21:00\', \'21:05\', \'21:15\', \'21:20\', \'21:25\', \'21:30\', \'21:40\', \'21:45\', \'22:00\', \'22:10\', \'22:15\', \'22:25\', \'22:40\', \'22:45\', \'22:50\', \'22:55\''; preg_match_all($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