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

r"
"
xu

Test String

Code Generator

Generated Code

const regex = new RegExp(' (?: \\A | (?<= [\\s\\xA0\\(\\[\\{])) (?P<MODEL> (?: (?: [A-ZА-Я]{4,6} (?! [\\s\\xA0] ) | (?! (?: D-Link | D-LINK | Asus | ASUS | USB ) [\\s\\xA0] ) [A-ZА-Я]{1,4} (?: \\d [A-ZА-Я\\d]{0,4} )? | \\d{2,5} (?= [\\-/] ) ) (?: (?! \\s\\d{1,2} - (?: Port | PORT ) ) [\\s\\xA0\\-/\\.] (?: \\d{1,4} [A-ZА-Я\\d]{0,4} | [A-ZА-Я]{1,4} [\\-/]? \\d{1,4} \\w{0,8} | [A-ZА-Я] \\w{3,6} ) (?: [\\-/] [A-ZА-Я\\d]{1,3} )? ){1,4} | \\d{1,4} (?! [\\s\\xA0] USB [\\s\\xA0] ) [\\s\\xA0]? (?! [kкKК]? (?: [WВAА] | В[Тт] | W[Tt] | Ватт | Watts? | Амп | Amp | Ампер | Ampers? ) \\b ) [A-ZА-Я] [A-ZА-Я\\d]{0,5} | [A-ZА-Я]{1,4} \\d [A-ZА-Я\\d]{0,10} ) (?: [\\-/] \\w{1,6} (?: [\\-/] \\d{1,3} )? | (?: [\\s\\x0A] [A-ZА-Я\\d]{1,5} (?: [\\-/] [A-ZА-Я\\d]{1,5} ){0,2} ){1,3} )? (?: \\+ | [\\s\\xA0] (?: Plus | PLUS | Плюс | ПЛЮС) )? (?: [\\s\\xA0]? \\( [A-ZА-Я\\d\\-/]{1,18} \\) )? ) (?= \\Z | [\\s\\xA0,\\.\\)\\}\\]] | (?<= \\) ) [:;\\-/] ) ', 'u') const str = `Автомагнитола ALPINE CDE-100EUB Код товара: 1298, Производитель: ALPINE, раздел: Автомагнитолы, модель: ALPINE CDE-100EUB`; // Reset `lastIndex` if this regex is defined globally // regex.lastIndex = 0; let m; if ((m = regex.exec(str)) !== null) { // The result can be accessed through the `m`-variable. m.forEach((match, groupIndex) => { console.log(`Found match, group ${groupIndex}: ${match}`); }); }

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