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

/
/
gm

Test String

Code Generator

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "^LIN[\\s\\S]*(?=^UNS)"; final String string = "UNB+UNOC:3+O0013001550GDID0000Z6H:14+80585:14+200218:1455+8' \n" + "UNH+1+ORDERS:D:96B:UN' \n" + "BGM+120+4016026958' \n" + "DTM+4:20200218:102' \n" + "NAD+BY+437750' \n" + "NAD+SU+0000080585' \n" + "NAD+OB+0000080585' \n" + "NAD+DP+4000::9++Cronus Company:Cronus GmbH & Co. KG+Musterstrasse 3+Kirchdorf++12345+DE' \n" + "CUX+2:EUR' \n" + "TOD+6++DAP' \n" + "LIN+00010++079790040080030:SA' \n" + "PIA+1+079790040080030:SA' \n" + "IMD+F++:::DIN 7979 D Stahl blank | 8x30 Zylin' \n" + "QTY+12:10,000:PCE' \n" + "PRI+AAA:23,56:::100:PCE' \n" + "SCC+1' \n" + "QTY+1:10,000' \n" + "DTM+2:20200223:102' \n" + "LIN+00020++079790040080040:SA' \n" + "PIA+1+079790040080040:SA' \n" + "IMD+F++:::DIN 7979 D Stahl blank | 8x40 Zylin' \n" + "QTY+12:10,000:PCE' \n" + "PRI+AAA:24,58:::100:PCE' \n" + "SCC+1' \n" + "QTY+1:10,000' \n" + "DTM+2:20200223:102' \n" + "LIN+00030++009128009060016:SA' \n" + "PIA+1+009128009060016:SA' \n" + "IMD+F++:::DIN 912 Stahl 8.8 blank | M6x16 Zyl' \n" + "QTY+12:100,000:PCE' \n" + "PRI+AAA:2,36:::100:PCE' \n" + "SCC+1' \n" + "QTY+1:100,000' \n" + "DTM+2:20200223:102' \n" + "UNS+S' \n" + "UNT+35+1' \n" + "UNZ+1+8' \n"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); final Matcher matcher = pattern.matcher(string); while (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

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