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 = 'UNB+UNOC:3+O0013001550GDID0000Z6H:14+80585:14+200218:1455+8\' UNH+1+ORDERS:D:96B:UN\' BGM+120+4016026958\' DTM+4:20200218:102\' NAD+BY+437750\' NAD+SU+0000080585\' NAD+OB+0000080585\' NAD+DP+4000::9++Cronus Company:Cronus GmbH & Co. KG+Musterstrasse 3+Kirchdorf++12345+DE\' CUX+2:EUR\' TOD+6++DAP\' LIN+00010++079790040080030:SA\' PIA+1+079790040080030:SA\' IMD+F++:::DIN 7979 D Stahl blank | 8x30 Zylin\' QTY+12:10,000:PCE\' PRI+AAA:23,56:::100:PCE\' SCC+1\' QTY+1:10,000\' DTM+2:20200223:102\' LIN+00020++079790040080040:SA\' PIA+1+079790040080040:SA\' IMD+F++:::DIN 7979 D Stahl blank | 8x40 Zylin\' QTY+12:10,000:PCE\' PRI+AAA:24,58:::100:PCE\' SCC+1\' QTY+1:10,000\' DTM+2:20200223:102\' LIN+00030++009128009060016:SA\' PIA+1+009128009060016:SA\' IMD+F++:::DIN 912 Stahl 8.8 blank | M6x16 Zyl\' QTY+12:100,000:PCE\' PRI+AAA:2,36:::100:PCE\' SCC+1\' QTY+1:100,000\' DTM+2:20200223:102\' UNS+S\' UNT+35+1\' UNZ+1+8\' '; my $regex = qr/^LIN[\s\S]*(?=^UNS)/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