private static string FindEmails(string text, bool doubleDash) { string returnInfo = ""; // Do not change this Regex Regex emailRegex = new Regex(@"\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b", RegexOptions.IgnoreCase); MatchCollection emailMatches = emailRegex.Matches(text); List <string> matchList = General.MatchCollectionToList(emailMatches); foreach (string match in matchList) { if (doubleDash) { returnInfo += "-- EMail: " + match + Environment.NewLine; } else { returnInfo += "- EMail: " + match + Environment.NewLine; } } return(returnInfo); }