正则表达式自动给 email url添加链接

 

using System;

using System.Text.RegularExpressions;

 

namespace CommLayer

{

       /// <summary>

       /// 自动给邮件地址或email地址加上url

       /// </summary>

       public class HyperlinkUrl

       {

              private static Regex urlregex = new Regex(@"(http:////([/w.]+//?)/S*)",

                     RegexOptions.IgnoreCase|RegexOptions.Compiled);

              private static Regex emailregex = new Regex(@"([a-zA-Z_0-9.-]+/@[a-zA-Z_0-9.-]+/./w+)",

                     RegexOptions.IgnoreCase|RegexOptions.Compiled);

             

              public HyperlinkUrl()

              {                  

              }

 

              /// <summary>

              /// 生成带连接的字符串

              /// </summary>

              /// <param name="link">需要生成带连接地址的字符串</param>

              /// <returns>经过转换的字符串</returns>

              public static string GenHyperlinkUrl(string link)

              {

                     link = emailregex.Replace(link, "<a href=mailto:$1>$1</a>");

                     link = urlregex.Replace(link, "<a href=/"$1/" target=/"_blank/">$1</a>");

 

                     return link;

              }

       }

}