regex example

[fukurou]

func extractEmailAddrIn(text: String) -> [String] {
    var results = [String]()

    let emailRegex = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,6}"
    let nsText = text as NSString
    do {
        let regExp = try NSRegularExpression(pattern: emailRegex, options: .caseInsensitive)
        let range = NSMakeRange(0, text.count)
        let matches = regExp.matches(in: text, options: .reportProgress, range: range)

        for match in matches {
            let matchRange = match.range
            results.append(nsText.substring(with: matchRange))
        }
    } catch (let error) {
        print(error)
    }

    return results
}