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

Substitution

Processing...

Code Generator

Language

Generated Code

re = /(?<g1>^.+)(?<g2>\|)(?<g3>\w*)/m str = 'VERNIZ FOSCO PU 5:1|6190734832 VERNIZ FOSCO PU BICO|6190737676 VERNIZ FOSCO SAYERLACK 900ML|5482326670 VERNIZ MARITIMO INCOLOR - [3,6 LT]|6605544243 VERNIZ MARITIMO INCOLOR - [900 ML]|6605544245 VERNIZ PU 0491 - DUXONE|2739465076 VERNIZ PU 10.000 SKYLACK|5026534877 VERNIZ PU 6100 - LAZZURIL|2422595915 VERNIZ PU 8050 - LAZZURIL|2422595909 VERNIZ PU BRILHO 20|5109244189 VERNIZ PU FOSCO - LAZZURIL|2730718333 VERNIZ PU FOSCO - [750 ML] - SKYLACK|3551612362 VERNIZ PU MASCARA NEGRA|4988056487 VERNIZ PU SEMI-FOSCO|4717802264 VERNIZ PU SEMI-FOSCO - 3600 ML - FARBEN|3850897363 VERNIZ PU SEMI-FOSCO - 750 ML|4909315994 VERNIZ PU SEMI-FOSCO - 900 ML - FARBEN|3850897360 VERNIZ PU SEMI-FOSCO 750ML|5026534871 VERNIZ PU TRANSPARENTE FOSCO – 6713 - SAYERLACK|3475203973 VERNIZ SKYFAST HS 5:1 - SKYDUR - [900 ML]|4359364616 VERNIZ ULTRA 7000|2587796536 VESUVIO|4507424840 VIOLETA PU C/ CAT|6902409301 WASH PRIMER - [600 M|6190739255 WASH PRIMER - [600 ML] - BRAZILIAN|6121038554 WASH PRIMER VINILICO|6190737471 WASH/PRETO FOSCO - DX9000 - [600 ML] - BRASILUX - KIT|2422594658 WASH/PRETO FOSCO - DX9000 - [600 ML] - DUXONE - KIT|3147792988 WASH/PRETO FOSCO - [600 ML] - MAXIRUBBER|4528448069 WASH/PRETO FOSCO - [900 ML] - MAZA - KIT|3583355677 WASHPRIMER 1/4|6190735139 WHITE LUB - [300 ML]|4648227158 ZARCAO - [3,6 LT]|6605544226 ' subst = '${g3}' result = str.gsub(re, subst) # Print the result of the substitution puts result

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 Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html