利用正则表达式自动给Email地址和Url加上连接_.NET教程_编程技术
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;
}
}
}
