一些验证的正则表达式

1.邮箱匹配

        /// <summary>
        /// 匹配邮箱是否合法
        /// </summary>
        /// <param name="source">待匹配字符串</param>
        /// <returns>匹配结果true是邮箱反之不是邮箱</returns>
        public bool CheckEmailByString(string source)
        {
            Regex rg = new Regex("^\\s*([A-Za-z0-9_-]+(\\.\\w+)*@(\\w+\\.)+\\w{2,5})\\s*$", RegexOptions.IgnoreCase);
            return rg.IsMatch(source);
        }

2.URL匹配

        /// <summary>
        /// 匹配URL是否合法
        /// </summary>
        /// <param name="source">待匹配字符串</param>
        /// <returns>匹配结果true是URL反之不是URL</returns>
        public bool CheckURLByString(string source)
        {
            Regex rg = new Regex(@"^(https?|s?ftp):\/\/(((([a-z]|\d|-|\.|_|~|
　　　　　　　[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?
　　　　　　　(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.
　　　　　　　(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|
　　　　　　　((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|
　　　　　　　[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|
　　　　　　　[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)
　　　　　　　+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])
　　　　　　　([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|
　　　　　　　[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|
　　　　　　　[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+
　　　　　　　(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|
　　　　　　　[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])
　　　　　　　|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(#((([a-z]|\d|-|\.|_|~|
　　　　　　　[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$" , RegexOptions.IgnoreCase);
            return rg.IsMatch(source);
        }

3.日期匹配

        /// <summary>
        /// 匹配日期是否合法
        /// </summary>
        /// <param name="source">待匹配字符串</param>
        /// <returns>匹配结果true是日期反之不是日期</returns>
        public bool CheckDateByString(string source)
        {
            Regex rg = new Regex(@"^(\d{4}[\/\-](0?[1-9]|1[0-2])[\/\-]((0?[1-9])|((1|2)[0-9])|30|31))|((0?[1-9]|1[0-2])[\/\-]((0?[1-9])|((1|2)[0-9])|30|31)[\/\-]\d{4})$");
            return rg.IsMatch(source);
        }

4.邮箱匹配

 

　　　　 /// <summary>
        /// 匹配邮编是否合法
        /// </summary>
        /// <param name="source">待匹配字符串</param>
        /// <returns>邮编合法返回true,反之不合法</returns>
        public bool CheckPostcodeByString(string source)
        {
            Regex rg = new Regex(@"^\d{6}$");
            return rg.IsMatch(source);
        }

 

5.电话匹配

 

        /// <summary>
        /// 匹配电话号码是否合法
        /// </summary>
        /// <param name="source">待匹配字符串</param>
        /// <returns>电话号码合法返回true,反之不合法</returns>
        public bool CheckTelephoneByString(string source)
        {
            Regex rg = new Regex(@"^(\(\d{3,4}-)|\d{3.4}-)?\d{7,8}$");
            return rg.IsMatch(source);
        }        

 

6.手机号匹配

         /// <summary>
        /// 匹配手机号码是否合法
        /// </summary>
        /// <param name="source">待匹配字符串</param>
        /// <returns>手机号码合法返回true,反之不合法</returns>
        public bool CheckMobilephoneByString(string source)
        {
            Regex rg = new Regex(@"^[1]+[3,5,7,8]+\d{9}$");
            return rg.IsMatch(source);
        }        

7.身份证匹配

        /// <summary>
        /// 匹配身份证号码是否合法
        /// </summary>
        /// <param name="source">待匹配字符串</param>
        /// <returns>身份证号码合法返回true,反之不合法</returns>
        public bool CheckIDCardByString(string source)
        {
            Regex rg = new Regex(@"^(^\d{15}$|^\d{18}$|^\d{17}(\d|X|x))$");
            return rg.IsMatch(source);
        }