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

/
/
mgxuX

Test String

Code Generator

Language

Generated Code

import Foundation // WARNING: You included a flag that Swift doesn't support: X // When this flag is set, it causes any backslash in the pattern that is followed by a letter that has no special meaning to cause an error. // By default in Swift, a backslash followed by a letter with no special meaning will be treated as a literal. // 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 = ##""" #проверка ФИО #https://www.bbc.co.uk/academy/ru/articles/art20170623191659259 #https://www.regular-expressions.info/unicode.html ^ (?!^\s*[\p{Pd}’']) (?![\s\S]*[\p{Pd}’']\s*$) (?![\s\S]*?’’) (?![\s\S]*?'') #русские и английские буквы не могут быть одновременно (?: (?![\s\S]*[aeiouyAEIOUY]{4}) #no 4 vowel letters sequentially (?![\s\S]*[bcdfghjklmnpqrstvwxzBCDFGHJKLMNPQRSTVWXZ]{5}) #no 5 consonant letters sequentially (?:[a-zA-Z\p{Pd}’']|(?![\r\n])\s)+ | (?![\s\S]*?[аеиоуыэюяёАЕИОУЫЭЮЯЁ]{4}) #не может содержать 4 гласных буквы подряд (3 гласных буквы подряд есть в слове 'длинношеее') (?![\s\S]*?[бвгджзклмнпрстфхцчшщйъьБВГДЖЗКЛМНПРСТФХЦЧШЩЙЪЬ]{6}) #не может содержать 6 согласных букв подряд (5 согласных букв подряд есть в фамилии 'Мкртчан') (?:[а-яёА-ЯЁ\p{Pd}’']|(?![\r\n])\s)+ ) $ """## let regex = try! NSRegularExpression(pattern: pattern, options: [.anchorsMatchLines, .allowCommentsAndWhitespace]) let testString = #""" Ииии Нннннн Ttttt Uuuu АлисаTab Алиса Tab Иван' -Alex Жан-Клод Ван Дам Алиса--Виктория Алиса–Виктория Алиса—Виктория Иван Иванович Иванов Динношееев Мкртчан д’Артаньян Ali Baba Jhon Smith """# let stringRange = NSRange(location: 0, length: testString.utf16.count) let matches = regex.matches(in: testString, range: stringRange) var result: [[String]] = [] for match in matches { var groups: [String] = [] for rangeIndex in 1 ..< match.numberOfRanges { let nsRange = match.range(at: rangeIndex) guard !NSEqualRanges(nsRange, NSMakeRange(NSNotFound, 0)) else { continue } let string = (testString as NSString).substring(with: nsRange) groups.append(string) } if !groups.isEmpty { result.append(groups) } } print(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 Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression