自动识别URL的表达式怎么写的呢? 自动识别URL的表达式怎么写的呢?如我在这表帖的时候有URL地址,怎么自动识别出来给加上链接。如 www.csdn.net , http://www.csdn.net 这二种有http://与没有的。都自动识别出来加上链接。转后变成<a href="http://www.csdn.net" target=_blank>http://www.csdn.net</a> 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 匹配网址URL的正则表达式:http://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)? 用这个判断 下面内容网上抄来的----------引用空间:using System.Text.RegularExpressions;方法:public static string Auto(string str) //========================// // www. // http:// // ftp:// // [email protected] // mms:// //========================// { Regex Reg; Reg = new Regex("([^\\]=>])(http://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)"); str = Reg.Replace(str,"$1<a href=\"$2\" target=\"_blank\">$2</a>"); Reg = new Regex("^(http://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)"); str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>"); Reg = new Regex("(http://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)$"); str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>"); Reg = new Regex("([^\\]=>])(ftp://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)"); str = Reg.Replace(str,"$1<a href=\"$2\" target=\"_blank\">$2</a>"); Reg = new Regex("^(ftp://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)"); str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>"); Reg = new Regex("(ftp://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)$"); str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>"); Reg = new Regex("([^\\]=>])(mms://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)"); str = Reg.Replace(str,"$1<a href=\"$2\" target=\"_blank\">$2</a>"); Reg = new Regex("^(mms://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)"); str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>"); Reg = new Regex("(mms://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)$"); str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>"); Reg = new Regex("([a-z0-9_A-Z\\-\\.]{1,20})@([a-z0-9_\\-]{1,15})\\.([a-z]{2,4})"); str = Reg.Replace(str,"<a href=\"mailt$1@$2.$3\" target=\"_blank\">$1@$2.$3</a>"); Reg = new Regex("([^/])(www.[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)"); str = Reg.Replace(str,"$1<a href=\"http://$2\" target=\"_blank\">$2</a>"); Reg = new Regex("^(www.[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)"); str = Reg.Replace(str,"<a href=\"http://$1\" target=\"_blank\">$1</a>"); Reg = new Regex("(www.[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)$"); str = Reg.Replace(str,"<a href=\"http://$1\" target=\"_blank\">$1</a>"); return str; } MVC问题。。。大附件上传,求源码。。。话说这论坛没有MVC这一板块吗? 急问,动态添加UpdatePanel时的问题 请问这个输出如何存入变量? 1000RMB 求个MAPXTREME2005 的例子 中午交了辞职信,明天去新公司上班! 这样的语法有问题吗? Com组件不能注册,好急,在线等 怎样将javascript的页面上的值 传到后台变量中去 有关水晶报表的升级? .net事件委托(看到觉得讲的比较清楚,就转来一下),如需删,请通知 用web.config来保存数据库链接的问题。 求一个思路.详细的请看内容,谢谢.
----------引用空间:
using System.Text.RegularExpressions;方法:
public static string Auto(string str)
//========================//
// www.
// http://
// ftp://
// [email protected]
// mms://
//========================//
{
Regex Reg;
Reg = new Regex("([^\\]=>])(http://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)");
str = Reg.Replace(str,"$1<a href=\"$2\" target=\"_blank\">$2</a>");
Reg = new Regex("^(http://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)");
str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>");
Reg = new Regex("(http://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)$");
str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>");
Reg = new Regex("([^\\]=>])(ftp://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)");
str = Reg.Replace(str,"$1<a href=\"$2\" target=\"_blank\">$2</a>");
Reg = new Regex("^(ftp://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)");
str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>");
Reg = new Regex("(ftp://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)$");
str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>");
Reg = new Regex("([^\\]=>])(mms://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)");
str = Reg.Replace(str,"$1<a href=\"$2\" target=\"_blank\">$2</a>");
Reg = new Regex("^(mms://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)");
str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>");
Reg = new Regex("(mms://[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)$");
str = Reg.Replace(str,"<a href=\"$1\" target=\"_blank\">$1</a>");
Reg = new Regex("([a-z0-9_A-Z\\-\\.]{1,20})@([a-z0-9_\\-]{1,15})\\.([a-z]{2,4})");
str = Reg.Replace(str,"<a href=\"mailt$1@$2.$3\" target=\"_blank\">$1@$2.$3</a>");
Reg = new Regex("([^/])(www.[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)");
str = Reg.Replace(str,"$1<a href=\"http://$2\" target=\"_blank\">$2</a>");
Reg = new Regex("^(www.[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)");
str = Reg.Replace(str,"<a href=\"http://$1\" target=\"_blank\">$1</a>");
Reg = new Regex("(www.[A-Za-z0-9\\./=\\?%\\-&_~`@':+!]+)$");
str = Reg.Replace(str,"<a href=\"http://$1\" target=\"_blank\">$1</a>");
return str;
}