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 = 'Date commandée Date de facture Commandé par Expédié par Votre numéro de commande 04-OCT-2022 05-DÉC-2022 LIVRE DIRECT 786q23teqwuye Date d\'expédition No. de compte No. Commis Notre No. commande No. livraison manuel 05-DÉC-2022 358 MIB 21q24242456013 Quantité Prix No. Produit Description Escompte Montant Commandé Livré unitaire Souffrance e e 32_SSL- PNI SSL-LH/480/20/40/287/DC/D 112 112 $73211.4800 8,022.44 LHB3/170/40/120/3 32_SSL- PNI AlloCie SSL- 6 6 $2.2700 17.48 LHB3/LV2/12V/CO LHB3/LV2/12V/CONTROLLER2 32_SSL- PNI AlloCie SSL-LH/LV/90V/SEN3erw2 175 175 $3.1100 4,044.25 LH/LV/90V/SEN livrer direct ref: s245354-5235 SOUS-TOTAL $1,041.31 TRANSPORT $0.00 FRAIS DIVERS $0.00 T.P.S. $151.07 T.V.Q. $296.38 '; my $regex = qr/(^ (?<Desc>[\s\S]*?) (?<QteComm>(?:[0-9]+)) (?<QteRecu>(?:[0-9]+)) (?<QteBO>(?:[0-9]*)) [$](?<PrixUnitaireF>(?:[0-9]+)\.(?:[0-9]+))[\s]+(?:(?<Escompte>(?:[0-9]+).(?:[0-9,]+)) %)?[\s]+(?<total_item>(?:[0-9]*[,]?[0-9]+)\.(?:[0-9]+))[\s]+[\r\n|\r|\n])/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