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

/
/
g

Test String

Code Generator

Generated Code

use strict; my $str = 'NAME: Sean Burnett POS: RP AGE: 30 WT: 200 BORN: Dunedin, FL SALARY: 2350000 NAME: Tyler Clippard POS: RP AGE: 27 WT: 200 BORN: Lexington, KY SALARY: 1650000 NAME: Ross Detwiler-Smith POS: SP AGE: 26 WT: 174 BORN: St. Louis, MO SALARY: 485000 NAME: Christian Garcia POS: RP AGE: 27 WT: 215 BORN: Miami, FL SALARY: N/A NAME: Gio Gonzalez POS: SP AGE: 27 WT: 205 BORN: Hialeah, FL SALARY: 3335000 NAME: Mike Gonzalez POS: RP AGE: 34 WT: 215 BORN: Robstown, TX SALARY: N/A NAME: Ryan P. Mattheus POS: RP AGE: 28 WT: 215 BORN: Sacramento, CA SALARY: 481000 NAME: Craig Stammen POS: RP AGE: 28 WT: 200 BORN: Coldwater, OH SALARY: 485000 NAME: Drew Storen POS: RP AGE: 25 WT: 180 BORN: Indianapolis, IN SALARY: 498750 NAME: Jordan Q. Zimmermann POS: SP AGE: 26 WT: 218 BORN: Auburndale, WI SALARY: 2300000 '; my $regex = qr/NAME: (\w*[-\w. ]*\w*[ ]*) POS: ([A-Z]{2}) AGE: (\d\d) WT: (\d{3}) BORN: (.*) SALARY: (\d+|N\/A)/p; 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