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

$re = '/(?\'DrawingNumber\'^P\d{5}-\d{2}-TP\d{2}-\d{3})-?(?\'Hand\'L|R)?-?(?\'Dimensions\'(-?\d{2,})*)-?(?\'Type\'1|2)?$/m'; $str = 'P01867-13-TP09-001-4950-1775-1175-895-1125-835 FAIL01867-13-TP09-001-4950-1775-1175-895-1125-835 P01867-13-TP09-002-4950-1775-1045-895-1035 P01867-13-TP09-002---4950-1775-1045-895-1035 P01867-13-TP02-019-L-1137-275-852-102 P-13-TP02-019-L-1137-275-852-102 P01867-13-TP02-019-L-1137-275-852-102 P01867-13-TP02-019-L-1137-275-852-102-failure P01867-13-TP02-019-R-1137-275-852-102 P01867-13-TP02-021-L-1137-1055-1372 P01867-13-TP02-021-L-1137-535-1027 P01867-13-TP02-021-L-1137-795-1184 P01867-13-TP02-021-R-1137-1055-1372 P01867-13-TP02-021-R-1137-535-1027 P01867-13-TP02-021-R-1137-795-1184 P01867-13-TP02-025-L-1137-1315-1581 P01867-13-TP02-025-R-1137-1315-1581 P01867-13-TP03-005 P01867-13-TP02-019-L-1137-275 P01867-13-TP02-019-R-1137-275 P01867-13-TP02-019-R-1137 P01867-13-TP02-019-L-1137 P01867-13-TP09-001-4950-1775-1175-895-1125-835-000-001-002-003-004-005-006-007 P01867-13-TP02-019-L-1137-275-852-102 P01867-13-TP02-019-R-1137-275-852-102 P01867-13-TP02-021-L-1137-1055-1372 P01867-13-TP02-021-L-1137-535-1027 P01867-13-TP02-021-L-1137-795-1184 P01867-13-TP02-021-R-1137-1055-1372 P01867-13-TP02-021-R-1137-535-1027 P01867-13-TP02-021-R-1137-795-1184 P01867-13-TP02-025-L-1137-1315-1581 P01867-13-TP02-025-R-1137-1315-1581 P01867-13-TP03-005 P01867-13-TP04-003-180-56 P01867-13-TP05-001-L-953 P01867-13-TP05-001-R-953 P01867-13-TP07-001-1073-1103 P01867-13-TP07-001-707-737 P01867-13-TP07-001-874-904 P01867-13-TP07-002-1289-1329 P01867-13-TP08-002-1302-1296 P01867-13-TP08-003-1317-1307-263 P01867-13-TP09-001-4950-1775-1175-895-1125-835 P01867-13-TP09-002-4950-1775-1045-895-1035 P01867-13-TP09-002-4950-1775-1110-895-1100 P01867-13-TP09-002-4950-1775-915-895-905 P01867-13-TP09-002-4950-1775-980-895-970 P01867-13-TP11-003 P01867-13-TP11-005-200 P01867-13-TP11-009-200 P01867-13-TP11-013 P01867-13-TP14-001-L-251-126 P01867-13-TP14-001-R-251-126 P01867-13-TP14-003-781 P01867-13-TP16-001-L-1772-157 P01867-13-TP16-001-R-1772-157 P01867-13-TP16-002-1397-157 P01867-13-TP17-001-L-728-921 P01867-13-TP17-001-R-728-921 P01867-13-TP17-011-748-91 P01867-13-TP17-016-748-91 P01867-13-TP20-010-L P01867-13-TP20-010-R P01867-13-TP20-014-L P01867-13-TP20-014-R P01867-13-TP02-047-1 P01867-13-TP02-047-2'; 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