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

import Foundation // WARNING: You included a flag that Swift doesn't support: u // When this flag is set, it makes the pattern and subject strings to be treated as unicode. // Swift already treats the pattern and subject strings as unicode by default, so including this flag is redundant. let pattern = #""" (?: \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,\.\)\}\]] | (?<= \) ) [:;\-/] ) """# let regex = try! NSRegularExpression(pattern: pattern, options: .allowCommentsAndWhitespace) let testString = #"Автомагнитола ALPINE CDE-100EUB Код товара: 1298, Производитель: ALPINE, раздел: Автомагнитолы, модель: ALPINE CDE-100EUB"# let stringRange = NSRange(location: 0, length: testString.utf16.count) if let firstMatch = regex.firstMatch(in: testString, range: stringRange) { let result: [String] = (1 ..< firstMatch.numberOfRanges).map { (testString as NSString).substring(with: firstMatch.range(at: $0)) } print(result) } else { print("No matches were found.") }

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 Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression