public static Boolean checkEmail(String emailValue) { String[] splitValueList = emailValue.Split('@'); if (emailValue.Contains("@") && splitValueList[0].Length > 0 && splitValueList[1].Length > 0) { if (!ValidateInsertValue.hasSpecialChar(splitValueList[0]) && !ValidateInsertValue.hasSpecialChar(splitValueList[1]) && splitValueList[1].Contains(".")) { return(true); } else { return(false); } } else { return(false); } }