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

// include the latest version of the regex crate in your Cargo.toml extern crate regex; use regex::Regex; fn main() { let regex = Regex::new(r#"(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})[^"]+")?"#).unwrap(); let string = "\" 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; ; ; ; ; "; let substitution = "gir:parseIdoc('$1',$2,$3,'$5',$7)"; // result will be a String with the substituted value let result = regex.replace_all(string, substitution); println!("{}", 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 Rust, please visit: https://docs.rs/regex/latest/regex/