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

/
/
g

Test String

Code Generator

Language

Generated Code

$re = '/(\d{2})\/(\d{2})\/(\d{2})\s+(\d{2}):(\d{2})\s+([\d]+)\s+([\d]+|)\s+(<I>|)(EXT|)([\w]+|)(\s+|)((\d{1})\'(\d{2})|)(\s+|)((\d{2}):(\d{2})\'(\d{2})\s+(.*) |)/'; $str = '01/02/16 09:37 1142 01 2286542PPPPPP9131874263 00:00\'24 01/02/16 09:37 1204 48 2181 00:01\'33 01/02/16 09:37 1221 33 <I>3342 0\'00 00:01\'25 TR 01/02/16 09:38 1232 02 2286542PPPPPP9082035024 00:00\'12 01/02/16 09:39 1711 EXT1132 01/02/16 09:39 1232 01 2286542PPPPPP9082035024 00:00\'02 01/02/16 09:39 5910 11 <I> 0\'01 00:00\'37 D0 01/02/16 09:39 1602 EXT1611 01/02/16 09:39 1332 EXT1204 01/02/16 09:40 1222 34 <I>3933 0\'02 00:00\'14 01/02/16 09:40 1232 EXT1393 01/02/16 09:41 1262 EXT1154 03/02/16 16:11 2181 EXT2421 03/02/16 16:13 2181 05 89509600795 00:00\'47 03/02/16 16:13 2314 24 1242 00:00\'08 03/02/16 15:07 2162 05 <I> 0\'00 00:00\'15 TR 03/02/16 15:09 2004 05 <I> 0\'05 00:00\'50 03/02/16 15:11 2004 05 <I> 0\'38 00:00\'00 NA 03/02/16 15:12 2004 06 <I> 0\'11 00:00\'26 03/02/16 15:16 2004 05 <I> 0\'04 00:01\'02 03/02/16 15:18 2181 17 <I>1396 0\'04 00:12\'23 03/02/16 15:20 2151 07 89020100016 00:00\'17 03/02/16 15:21 2004 24 1132 00:00\'24 TR 03/02/16 15:21 2004 05 <I> 0\'05 00:01\'37 03/02/16 15:21 2151 07 89509668727 00:00\'22 03/02/16 15:23 2151 05 89020116661 00:00\'20 01/02/16 09:31 5910 11 <I> 0\'01 00:00\'24 D0 01/02/16 09:31 1221 33 <I>4351 0\'00 00:04\'55 TR 01/02/16 09:31 5910 03 <I>89831514875 0\'01 00:00\'14 D0 01/02/16 09:32 1204 11 <I> 0\'00 00:00\'45 TR 01/02/16 09:32 1125 03 <I>89831514875 0\'00 00:00\'16 TR 01/02/16 09:32 5910 03 <I>89831514875 0\'01 00:00\'13 D0 01/02/16 09:32 5910 09 <I> 0\'01 00:00\'10 D0 '; preg_match_all($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