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

use strict; my $str = '0100003949753>210000000003139471430009017+ 010001628> 0100000023651>000551106208600215460130935+ 010058907> 2100000440001>961116900000006600000009284+ 030001625> 042>000000676817431677100399580+ 010107280> 319>961116900000006600000009284+ 030001625> Absichtliche Fehler; -0100003949753>210000000003139471430009017+ 010001628> 0100-000023651>000551106208600215460130935+ 010058907> 2100000440001>9611169000000006600000009284+ 030001625> 042>00000067681743167710.0399580+ 010107280> 319>961116900000006600000009284+ 030001.625> 0100003949753>210000000003139471430009017+ 010001628> #1: ESR 9/27, CHF 3949.75, Ref 210000000003139471430009017, Tn 010001628 (01-162-8) #2: ESR 9/27, CHF 23.65, Ref 000551106208600215460130935, Tn 010058907 (01-5890-7) #3: ESR 9/27, EUR 440.00, Ref 961116900000006600000009284, Tn 030001625 (03-162-5) #4: ESR+ 9/27+ CHF ?? Ref 000000676817431677100399580, Tn 010107280 (01-10728-0) #5: ESR+ 9/27+ EUR ??.?? Ref 961116900000006600000009284, Tn 030001625 (03-162-5) ESR oder ESR+ Gruppe1: 01 = ESR in CHF 04 = ESR+ in CHF 21 = ESR in EUR 31 = ESR+ in EUR Nicht beachtet: 11 = ESR in CHF zur Gutschrift auf das eigene Konto 14 = ESR+ in CHF zur Gutschrift auf das eigene Konto 23 = ESR in EUR zur Gutschrift auf das eigene Konto 33 = ESR+ in EUR zur Gutschrift auf das eigene Konto Gruppe2: Betrag (bei ESR+ nicht vorhanden/leer) Gruppe3: Prüfcode Gruppe4: Referenznummer Gruppe5: Kundennummer VVXXXXXXP> VV = ESR-Code, XXXXXX = Ordnungsnummer (inkl. vorlaufende Nullen), P = Prüfziffer '; my $regex = qr/(?i)^(01|04|21|31)(\d{10})?(\d{1}>)(\d{16,27})\+\s+(\d{5,9})>/mp; if ( $str =~ /$regex/g ) { print "Whole match is ${^MATCH} and its start/end positions can be obtained via \$-[0] and \$+[0]\n"; # print "Capture Group 1 is $1 and its start/end positions can be obtained via \$-[1] and \$+[1]\n"; # print "Capture Group 2 is $2 ... and so on\n"; } # ${^POSTMATCH} and ${^PREMATCH} are also available with the use of '/p' # Named capture groups can be called via $+{name}

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 Perl, please visit: http://perldoc.perl.org/perlre.html