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]
  • Character class intersection
    [\w&&[^\d]]
  • 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
Processing...

Test String

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 = "\"(?<VoNo>[^\"]*)\";\"(?<VoDt>[^\"]*)\";\"(?<ValDt>[^\"]*)\";\"(?<VoTp>[^\"]*)\";\"(?<Txt>[^\"]*)\";\"(?<DbAcNo>[^\"]*)\";\"(?<DbTrnCl>[^\"]*)\";\"(?<DbTxCd>[^\"]*)\";\"(?<CrAcNo>[^\"]*)\";\"(?<CrTrnCl>[^\"]*)\";\"(?<CrTxCd>[^\"]*)\";\"(?<Am>[^\"]*)\";\"(?<InvoNo>[^\"]*)\";\"(?<DueDt>[^\"]*)\";\"(?<VatAm>[^\"]*)\";\"(?<R1>[^\"]*)\";\"(?<R2>[^\"]*)\";\"(?<R7>[^\"]*)\";\"(?<CID>[^\"]*)\";\"(?<Txt2>[^\"]*)\";\"(?<AGRef>[^\"]*)\";;"; final String string = "@Actor (=CustNo,SupNo,Nm,Ad1,Ad2,Ad3,PNo,PArea,Phone,Fax,MailAd,BsNo,BGiro,Ctry,Lang,Cur,CPmtTrm,SPmtTrm)\n" + "\"10458\";\"0\";\"Vesterlandet GÂrd / D. Hansen\";\"Vesterlandet 226\";\"\";\"\";\"8407\";\"Sortland\";\"\";\"\";\"vesterlandetgaard@gmail.com\";\"926967878\";\"\";\"47\";\"47\";\"\";\"15\";\"15\"\n\n" + "@IMPORT_METHOD(3)\n\n" + "@WaBnd (ValDt, SrcTp, Descr)\n" + "\"20240326\" \"12\" \"Quick3 Import\"\n" + "@WaVo (VoNo,VoDt,ValDt,VoTp,Txt,DbAcNo,DbTrnCl,DbTxCd,CrAcNo,CrTrnCl,CrTxCd,Am,InvoNo,DueDt,VatAm,R1,R2,R7,CID,Txt2,AGRef)\n" + "\"100489\";\"20240326\";\"20240326\";\"11\";\"Utg.faktura\";\"10458\";\"0\";\"0\";\"0\";\"0\";\"0\";\"33818.00\";\"100489\";\"20240405\";\"\";\"\";\"\";\"\";\"001045801004890\";\"\";\"\";;\n" + "\"100489\";\"20240326\";\"20240326\";\"11\";\"Utg.faktura\";\"0\";\"0\";\"0\";\"7740\";\"0\";\"0\";\"0.50\";\"\";\"\";\"\";\"\";\"\";\"\";\"\";\"\";\"\";;\n" + "\"100489\";\"20240326\";\"20240326\";\"11\";\"Utg.faktura\";\"0\";\"0\";\"0\";\"3000\";\"0\";\"3\";\"30937.50\";\"\";\"\";\"\";\"1\";\"\";\"\";\"\";\"\";\"\";;\n" + "\"100489\";\"20240326\";\"20240326\";\"11\";\"Utg.faktura\";\"0\";\"0\";\"0\";\"3001\";\"0\";\"3\";\"2880.00\";\"\";\"\";\"\";\"1\";\"\";\"\";\"\";\"\";\"\";;"; 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