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 single character of: a, b, c or d
    [[ab][cd]]
  • 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]
  • Character class intersection
    [\w&&[^\d]]
  • 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

"
"
gm

Test String

Code Generator

Language

Generated Code

import Foundation let pattern = #"^Processo\sNº\s[a-zA-Z]{5,9}-[0-9]{7}-[0-9]{2}.[0-9]{4}.[0-9]{1}.[0-9]{2}.[0-9]{4}[^a-zA-Z]"# let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines) let testString = #""" Precatórios e RPV AVENIDA DE MARQUES SAO VICENTE , 235, 19 andar - Bloco B, VARZEA DA BARRA FUNDA, SAO PAULO/SP - CEP: 01139-001 - secprecatorio@trtsp.jus.br Destinatário: PEDRO CARLOS LUCAS INTIMAÇÃO - Processo PJe Processo: 0148400-36.2009.5.02.0041 - Processo PJe Autor: PEDRO CARLOS LUCAS Réu: FUNDACAO PRO-SANGUE HEMOCENTRO DE SAO PAULO Fica V. Sª. intimado(a) dos id’s: SAO PAULO/SP, 09 de novembro de 2022. SAO PAULO/SP, 09 de novembro de 2022. ENIO MARQUES Servidor Processo Nº ATOrd-0148400-36.2009.5.02.0041 RECLAMANTE PEDRO CARLOS LUCAS ADVOGADO Marcia Regina Covre(OAB: 108818/SP) RECLAMADO FUNDACAO PRO-SANGUE HEMOCENTRO DE SAO PAULO ADVOGADO MARINA MEGALE(OAB: 221085/SP) ADVOGADO CAROLINA KIRALY SANCHEZ(OAB: 278463/SP) ADVOGADO JOSE BARBUTO NETO(OAB: 207975/SP) Intimado(s)/Citado(s): Processo Nº ATOrd-0148400-36.2009.5.02.0042 - FUNDACAO PRO-SANGUE HEMOCENTRO DE SAO PAULO PODER JUDICIÁRIO JUSTIÇA DO PODER JUDICIÁRIO FEDERAL Justiça do Trabalho - 2ª Região Precatórios e RPV AVENIDA DE MARQUES SAO VICENTE , 235, 19 andar - Bloco B,VARZEA DA BARRA FUNDA, SAO PAULO/SP - CEP: 01139-001 - secprecatorio@trtsp.jus.br Destinatário: FUNDACAO PRO-SANGUE HEMOCENTRO DE SAO PAULO INTIMAÇÃO - Processo PJe Processo: 0148400-36.2009.5.02.0041 - Processo PJe Autor: PEDRO CARLOS LUCAS Réu: FUNDACAO PRO-SANGUE HEMOCENTRO DE SAO PAULO Fica V. Sª. intimado(a) dos id’s:778674a SAO PAULO/SP, 09 de novembro de 2022. SAO PAULO/SP, 09 de novembro de 2022. ENIO MARQUES Servidor Processo Nº ATOrd-0076600-43.2003.5.02.0045 RECLAMANTE PAULO ROBERTO VENDRAMI ADVOGADO JAIZA DOMINGAS GONCALVES(OAB: 55633/SP) RECLAMADO DEPARTAMENTO AEROVIARIO DO Processo Nº ATOrd-0148400-36.2009.5.02.0043Lula """# 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