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"
"
gmi

Test String

Code Generator

Language

Generated Code

import Foundation let pattern = #"(baulera|guardamuebles)"# let regex = try! NSRegularExpression(pattern: pattern, options: [.anchorsMatchLines, .caseInsensitive]) let testString = #""" DEPARTAMENTO DE CATEGORIA EN EXCELENTE ESTADO EN BELGRANO //4 AMBIENTES CON COCHERA, DEPENDENCIA DE SERVICIO Y BAULERA /MUY LUMINOSO, PISO ALTO, CON VISTA ABIERTA / COMODO, SILENCIOSO, EXCELENTE DISTRIBUCION / TODOS LOS AMBIENTES DAN AL EXTERIOR /EDIFICIO EN TORRE CON SEGURIDAD LAS 24HS / AMPLIO ESPACIO VERDE PARA DISPERSION Y JUEGOS PARA NIÑOS / EDIFICIO DE 25 PISOS / SEMIPISOS /JOSE HERNANDEZ AL 2000, ENTRE O'HIGGINS Y ARCOS //PISO: 8vo, AL FRENTE, ORIENTACION NORESTE //VALOR DE VENTA: U$S 450.000 //EXPENSAS: $15.500 / SUPERFICIE TOTAL: 144M2 /SUPERFICIE CUBIERTA: 134 M2 + BALCONES /AMPLIO LIVING COMEDOR /3 DORMITORIOS, EL PRINCIPAL EN SUITE / 2DO BAÑO COMPLETO /GRAN COCINA - COMEDOR / LAVADERO /DEPENDENCIA DE SERVICIO (CON SU RESPECTIVO BAÑO) / 2 BALCONES /BAULERA AMPLIA /COCHERA CUBIERTA Y FIJA / CALEFACCION POR LOSA RADIANTE / MUY BUENA UBICACIÓN: CERCANO A LAS AVENIDAS CABILDO, DEL LIBERTADOR, LUIS MARIA CAMPOS, JURAMENTO Y FEDERICO LACROZE. CERCANIA A ESPACIOS VERDES (BARRANCAS DE BELGRANO Y PLAZA MANUEL BELGRANO). ZONA COMERCIAL (A POCAS CUADRAS DE CABILDO Y JURAMENTO) Y DE COLEGIOS. A POCAS CUADRAS DEL SOLAR DE LA ABADIA Y DEL HOSPITAL MILITAR.CON MÚLTIPLES MEDIOS DE TRANSPORTE: INCLUIDO CERCANIA AL SUBTE LINEA "D" (ESTACIÓN JOSE HERNANDEZ) Y EL FC. MITRE (ESTACIÓN BELGRANO C). // """# 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