我从这个网站“借用”了一个正则表达式:http ://daringfireball.net/2010/07/improved_regex_for_matching_urls 这几乎是完整的,但我想匹配 example.com
我知道 stackoverflow 不是 doyourhomework.com 但我过了很长时间没有结果的思考。这是一个要测试的小提琴:http: //jsfiddle.net/BGnMm/25/你可以在最后看到 exemple.com 不是一个链接。
var reg=/\b((?:[a-z][\w-]+:(?:\/*)|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))/gi;
var allurl="http:foo.com/blah_blah http://foo.com/blah_blah/ (Something like http://foo.com/blah_blah) http://foo.com/blah_blah_(wikipedia) http://foo.com/more_(than)_one_(parens) (Something like http://foo.com/blah_blah_(wikipedia)) http://foo.com/blah_(wikipedia)#cite-1 http://foo.com/blah_(wikipedia)_blah#cite-1 http://foo.com/unicode_(✪)_in_parens http://foo.com/(something)?after=parens http://foo.com/blah_blah. http://foo.com/blah_blah/. <http://foo.com/blah_blah> <http://foo.com/blah_blah/> http://foo.com/blah_blah, http://www.extinguishedscholar.com/wpglob/?p=364. http://✪df.ws/1234 rdar://1234 rdar:/1234 x-yojimbo-item://6303E4C1-6A6E-45A6-AB9D-3A908F59AE0E message://%3c330e7f840905021726r6a4ba78dkf1fd71420c1bf6ff@mail.gmail.com%3e http://➡.ws/䨹 www.c.ws/䨹 <tag>http://example.com</tag> Just a www.example.com link. http://example.com/something?with,commas,in,url, but not at end What about <mailto:gruber@daringfireball.net?subject=TEST> (including brokets). mailto:name@example.com bit.ly/foo “is.gd/foo/” WWW.EXAMPLE.COM http://www.asianewsphoto.com/(S(neugxif4twuizg551ywh3f55))/Web_ENG/View_DetailPhoto.aspx?PicId=752 http://www.asianewsphoto.com/(S(neugxif4twuizg551ywh3f55)) http://lcweb2.loc.gov/cgi-bin/query/h?pp/horyd:@field(NUMBER+@band(thc+5a46634)) 6:00p filename.txt http://example.com/quotes-are-“part” ✪df.ws/1234 example.com example.com/";
document.write(allurl.replace(reg,"<a href='$1' >$1</a><br />"));