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

/
/
g

Test String

Substitution

Processing...

Code Generator

Language

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "(\\/CIP3AdmJobName *\\()([^\\)]+)(\\)[^\\n]+)\\n([^\\(]+\\()([^\\)]+)"; final String string = "%!PS-Adobe-3.0\n" + "%%CIP3-File Version 2.1\n" + "%-Cip3-PPF-(RD16-2015-11-09)\n\n" + "%Mirror:1 Rotation:0\n" + "%PPFOnly-Mode\n" + "%ASCII-HEX-Imagedata\n\n" + "%-------------------------------------------\n" + "% Sheet\n" + "%-------------------------------------------\n" + "CIP3BeginSheet\n" + "/CIP3AdmJobCode (686708) def\n" + "/CIP3AdmJobName (686708) def\n" + "/CIP3AdmSheetName (Sig-2) def\n" + "%No TypeOfScreen\n" + "/CIP3AdmCreationTime (Tue Feb 07 14:41:38 2017) def\n" + "/CIP3AdmSheetLay /Left def\n" + " /CIP3AdmPaperGrammage 56.0 def\n" + " /CIP3AdmPaperThickness 0.051 mm def\n" + "%No /CIP3AdmPaperColor <-InData\n" + "/CIP3TransferFilmCurveData [0.0 0.0 1.0 1.0] def\n" + "/CIP3TransferPlateCurveData [0.0 0.0 1.0 1.0] def\n" + "/CIP3AdmPSExtent [2763.77953 1734.80315] def\n" + "/CIP3AdmPaperExtent [ 2412.00000000 1638.00000000 ] def\n" + "/CIP3AdmPaperTrf [ 1 0 0 1 -175.88976378 -63.77940283 ] def"; final String subst = "$1$2-$5$3\\n$4$5"; final Pattern pattern = Pattern.compile(regex); final Matcher matcher = pattern.matcher(string); // The substituted value will be contained in the result variable final String result = matcher.replaceAll(subst); System.out.println("Substitution result: " + 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 Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html