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
  • Match everything enclosed
    (?:...)
  • Capture everything enclosed
    (...)
  • 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

/
/
mg

Test String

Code Generator

Language

Generated Code

$re = '/(?x) ^\s*(\d+)\s+ # coupon number ([OX]) # stopover flag (\w{3})\s+ # depapt (\w{2})\s* # cr (\d{1,4}) # flnr ([A-Z0-9]{2}|\s+)\s+ # operating carrier ([A-Z])\s+ # booking class (\d{2}\w{3}\d{4})\s+ # dep datetime (\w{2})\s+ # status ([\w\d\/]+)\s+ # farebase (\w)\s+ # coupon status (\d{2}\w{3}|\s) # nvb (\d{2}\w{3}|\s)\s+ # nva ([A-Z\d]{2,3}) # baggage allowance/m'; $str = 'TKT-7452341339738 RCI- 1A LOC-FILEKE OD-VIEVIE SI- FCMI-0 POI-VIE DOI-04JUN14 IOI-06492931 1.SOME/DUDE MR ADT S I 1 OVIE HG8150 P 11AUG0655 OK PNCRT O 11AUG11AUG 1PC 2 OZRH HG8537 E 21AUG1630 OK ENC25RT O 21AUG21AUG 1PC VIE FARE F EUR 22.00 TOTALTAX EUR 127.62 TOTAL EUR 149.62 /FC VIE HG ZRH18.63HG VIE11.04NUC29.67END ROE0.724488 FE NO REFUND/RBK RESTRICTED FP ELVAT FOR TAX/FEE DETAILS USE TWD/TAX FREQUENT FLYER AB-100275125'; preg_match_all($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