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

/
/
g

Test String

Code Generator

Language

Generated Code

import Foundation let pattern = #"<(span).*?class="\s*(?:.*\s)?target(?:\s[^"]+)?\s*"[^\>]*>(.*)<\/\1>"# let regex = try! NSRegularExpression(pattern: pattern) let testString = #"<p><img src=\"https://files.colektia.com/company_logos/1900910.png\"></p><p><br></p><p>Hola <span class=\"mention\" data-mention-id=\"nombre_completo\"><span class=\"mention\" data-mention-id=\"nombre_completo\"><span class=\"mention\" data-mention-id=\"nombre\">@nombre</span>_completo</span></span>,</p><p>Le contactamos para informarle que la cuota de su póliza <strong><span class=\"mention\" data-mention-id=\"referencia\"><span class=\"mention\" data-mention-id=\"referencia\">@referencia</span></span></strong> con BCI Seguros venció el <strong><span class=\"mention\" data-mention-id=\"fecha_vencimiento\"><span class=\"mention\" data-mention-id=\"fecha_vencimiento\">@fecha_vencimiento</span></span>.</strong></p><p>Puede regularizar el pago a través de las siguientes alternativas:</p><ol><li><p>En línea a través de nuestro portal <a href=\"https://www.bciseguros.cl/pagoenlinea/pagoCuota/\" rel=\"noopener noreferrer nofollow\"><u>www.Bciseguros.cl</u></a></p></li><li><p>Pago en <a href=\"http://www.servipag.cl\" rel=\"noopener noreferrer nofollow\"><u>www.servipag.cl</u></a></p></li><li><p>En Banco BCI, Banco de Chile, Banco Santander o en cualquier sucursal de Servipag a lo largo del país con su estado de cuenta.</p></li><li><p>Sucursales de BCI Seguros a lo largo del país.</p></li></ol><p>Atentamente,</p><p><em>Subgerencia de Cobranzas y Medios de Pago</em></p><p><em>Para cualquier consulta, puede comunicarse con nosotros al Centro de Respuesta Inmediata (CRI), desde teléfono fijo al 600 6000 292 o desde celulares al 22 6799700. pruebaaaaaa </em><span class=\"mention\" data-mention-id=\"monto\"><span class=\"mention\" data-mention-id=\"monto\">@monto</span></span> <span class=\"mention\" data-mention-id=\"moneda\"><span class=\"mention\" data-mention-id=\"moneda\">@moneda</span></span> </p><p><strong>Si al recibo de este correo usted ha regularizado esta situación, le solicitamos dejar sin efecto esta comunicación.</strong></p>"# 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