实现网址的自动识别

最新推荐文章于 2023-03-03 17:39:26 发布

yandong19861103

最新推荐文章于 2023-03-03 17:39:26 发布

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分类专栏： ASP.NET 文章标签： regex string

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using System.Text.RegularExpressions;

public static string auto(string str)
//========================//
// www.
// http://
// ftp://
// xx@xx.xx
// 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=/mailto:$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;
}