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 = "(E1E\\w{4,5})-(\\d{2,3})-(\\d{2,3});(\"(\\w{1,3})\\W*\\n(E1E\\w{4,5})-(\\d{2,3})-(\\d{2,3})[^\"]+\")?"; final String string = "\" Xpath входящего формата\n" + " Допустипы значения: XPath, \"\"константа\"\"- должна быть в 1 столбце(<E0065>RECADV</E0065>), \"\"enum(, , ,)\"\" - если поле может принимать фиксированный набор значений\n" + "\";квалификатор\n" + ";\n" + ";\n" + "hardcode=Сфера КУРЬЕР;\n" + ";\n" + ";\n" + ";\n" + "hardcode=02;\n" + ";\n" + "E1EDK02-67;\n" + "E1EDK03-67;\n" + "hardcode=643;\n" + ";\n" + ";\n" + ";\n" + ";\n" + "E1EDKA1-101-135;\"WE \n" + "E1EDKA1-64-66 (3)\"\n" + "hardcode=4025413896;\n" + "hardcode=997850001;\n" + ";\n" + ";\n" + ";\n" + ";\n" + "E1EDKA1-719-721;\"WE \n" + "E1EDKA1-64-66 (3)\"\n" + "E1EDKA1-390-398;\"WE \n" + "E1EDKA1-64-66 (3)\"\n" + "E1EDKA1-346-380;\"WE \n" + "E1EDKA1-64-66 (3)\"\n" + "E1EDKA1-241-275;\"WE \n" + "E1EDKA1-64-66 (3)\"\n" + ";\n" + ";\n" + ";\n" + "E1EDK28-224-253;\n" + ";\n" + "E1EDK28-84-153;\n" + "E1EDK28-67-83;\n" + "E1EDK28-154-223;\n" + ";\n" + ";\n" + ";\n" + ";\n" + ";\n" + "E1EDKA1-101-135;\"RG\n" + "E1EDKA1-64-66 (3)\"\n" + "hardcode=4025413896;\n" + "hardcode=997850001;\n" + ";\n" + ";\n" + ";\n" + "E1EDKA1-719-721;\"RG\n" + "E1EDKA1-64-66 (3)\"\n" + "E1EDKA1-390-398;\"RG\n" + "E1EDKA1-64-66 (3)\"\n" + "E1EDKA1-346-380;\"RG\n" + "E1EDKA1-64-66 (3)\"\n" + "E1EDKA1-241-275;\"RG\n" + "E1EDKA1-64-66 (3)\"\n" + ";\n" + ";\n" + ";\n" + ";\n" + ";\n" + ";\n" + "E1EDP01-64-69;\n" + "E1EDP19-102-171;\n" + "E1EDK01-218-220;\n" + "E1EDP26-64-66;\n" + ";\n" + "Calculation;\n" + "E1EDP05-177-191;\n" + ";\n" + ";\n" + "E1EDP04-71-87;\n" + "hardcode=процент;\n" + ";\n" + "E1EDP04-88-105;\n" + ";\n" + ";\n" + ";\n" + "E1EDS01-67-84;\"10\n" + "E1EDS01-64-66 (3)\"\n" + "E1EDS01-67-84;\"11\n" + "E1EDS01-64-66 (3)\"\n" + "E1EDS01-67-84;\"5 \n" + "E1EDS01-64-66 (3)\"\n" + "E1EDS01-67-84;\"5 \n" + "E1EDS01-64-66 (3)\"\n" + ";\n" + ";\n" + ";\n" + ";\n" + "hardcode=4025413896;\n" + "hardcode=Руководитель секции управления сервисной сетью в странах СНГ;\n" + ";\n" + "hardcode=Нигматуллин ;\n" + "hardcode=Ринат ;\n" + "hardcode=Фаритович;\n" + ";\n" + ";\n" + ";\n" + ";\n"; final String subst = "gir:parseIdoc('$1',$2,$3,'$5',$7)"; 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