利用正则表达式自动给Email地址和Url加上连接

/// <summary> /// 自动给邮件地址或email地址加上url 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; } } }