regex.swift

// Title: Regular Expressions with Swift
// Authors: Clay McLeod
// Description: A brief overview of regular expressions with Swift
// Section: Swift
// Subsection: General

import Foundation

var error: NSError?
let pattern = "[A-Za-z]atch"
let testingString = "Hatch"

let expression = NSRegularExpression(pattern: pattern, options: .CaseInsensitive, error: &error)

if let match = expression?.matchesInString(testingString, options: nil, range: NSMakeRange(0, countElements(testingString))) {
    println("Testing string matched the regular expression!");
} else {
    println("Match not found.")
}