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

const 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})[^"]+")?/g; // Alternative syntax using RegExp constructor // const regex = new RegExp('(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})[^"]+")?', 'g') const str = `" Xpath входящего формата Допустипы значения: XPath, ""константа""- должна быть в 1 столбце(<E0065>RECADV</E0065>), ""enum(, , ,)"" - если поле может принимать фиксированный набор значений ";квалификатор ; ; hardcode=Сфера КУРЬЕР; ; ; ; hardcode=02; ; E1EDK02-67; E1EDK03-67; hardcode=643; ; ; ; ; E1EDKA1-101-135;"WE E1EDKA1-64-66 (3)" hardcode=4025413896; hardcode=997850001; ; ; ; ; E1EDKA1-719-721;"WE E1EDKA1-64-66 (3)" E1EDKA1-390-398;"WE E1EDKA1-64-66 (3)" E1EDKA1-346-380;"WE E1EDKA1-64-66 (3)" E1EDKA1-241-275;"WE E1EDKA1-64-66 (3)" ; ; ; E1EDK28-224-253; ; E1EDK28-84-153; E1EDK28-67-83; E1EDK28-154-223; ; ; ; ; ; E1EDKA1-101-135;"RG E1EDKA1-64-66 (3)" hardcode=4025413896; hardcode=997850001; ; ; ; E1EDKA1-719-721;"RG E1EDKA1-64-66 (3)" E1EDKA1-390-398;"RG E1EDKA1-64-66 (3)" E1EDKA1-346-380;"RG E1EDKA1-64-66 (3)" E1EDKA1-241-275;"RG E1EDKA1-64-66 (3)" ; ; ; ; ; ; E1EDP01-64-69; E1EDP19-102-171; E1EDK01-218-220; E1EDP26-64-66; ; Calculation; E1EDP05-177-191; ; ; E1EDP04-71-87; hardcode=процент; ; E1EDP04-88-105; ; ; ; E1EDS01-67-84;"10 E1EDS01-64-66 (3)" E1EDS01-67-84;"11 E1EDS01-64-66 (3)" E1EDS01-67-84;"5 E1EDS01-64-66 (3)" E1EDS01-67-84;"5 E1EDS01-64-66 (3)" ; ; ; ; hardcode=4025413896; hardcode=Руководитель секции управления сервисной сетью в странах СНГ; ; hardcode=Нигматуллин ; hardcode=Ринат ; hardcode=Фаритович; ; ; ; ; `; const subst = `gir:parseIdoc('$1',$2,$3,'$5',$7)`; // The substituted value will be contained in the result variable const result = str.replace(regex, subst); console.log('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 JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions