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"
"
g

Test String

Code Generator

Language

Generated Code

import Foundation let pattern = #"(.*)(?<=,)((.\n|.)*)(\D\d{6}\D)"# let regex = try! NSRegularExpression(pattern: pattern) let testString = ##""" Rotex Group Manufacturing Units Rotex Automation Limited (Unit 1) 987/11, GIDC Estate Makarpura,sfg Vadodara-390010. 987/11, GIDC Estate Makarpura,sfg manipoor, gujratpunjab, Vadodara-390010. Gujarat, India. Ph : asf aSD ASFAdf aSD ASd asd asd aSDAdasd 1606-1609, 16th Floor, Rupa Solitaire, Plot No A-1, Sector 1, Millennium Business Park, Mahape, Navi Mumbai - 400710 szdgfads #257, GK complex, Amarjyothi, BHCS layout, Inner Ring Road,Domlur 548998 gh,xfzgdxfzg, Bangalore-560071. asdgasdg asdg adgzs 2-5, First Flr., Samarpan Complex, S.P.Ring Rd Ambli-Bopal Crossing, Ahmedabad -380058 This is a simple expression to check a US street address entered on either one or two lines. Being short it does not check that the road qualifer is &quot;valid&quot; (eg. drive, avenue, etc), but it does allow for the extended zip code. A word of warning, the multiline mode can be picky about ending the first line with extra space. asdf 210/211, Richmond Towers, 12, Richmond Road, Bangalore, Karnataka - 560025 sadfasf Your E-Mail : Brief Message Submit Clear KHETAN MARBLE Jyoti,Minerals Pvt, Ltd 456345 Green Marble House Pvt. Ltd. Administrative Office: 8-D, New Fatehpura, Rajasthan, India 456456 Tel.: +91-294-2560062, 2560443 Fax: +91-294-2560677 Corporate Office: 509-A, International Trade Tower,Nehru Place, New Delhi-111019, India Tel.: +91-11-26216877, 26434303 Fax: +91-11-26448005 Email: info@khetanmarbles.com Website : www.khetanmarbles.com """## 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