JavaScript校验网址

gistfile1.txt

var linkUrl = 'https://www.baidu.com'
if( typeof (linkUrl) != undefined && linkUrl != ''){var strRegex = '^((https|http|ftp|rtsp|mms)?://)'+ '?(([0-9a-z_!~*\'().&=+$%-]+: )?[0-9a-z_!~*\'().&=+$%-]+@)?' //ftp的user@+ '(([0-9]{1,3}.){3}[0-9]{1,3}' // IP形式的URL- 199.194.52.184+ '|' // 允许IP和DOMAIN（域名）+ '([0-9a-z_!~*\'()-]+.)*' // 域名- www.+ '([0-9a-z][0-9a-z-]{0,61})?[0-9a-z].' // 二级域名+ '[a-z]{2,6})' // first level domain- .com or .museum+ '(:[0-9]{1,4})?' // 端口- :80+ '((/?)|' // a slash isn't required if there is no file name+ '(/[0-9a-z_!~*\'().;?:@&=+$,%#-]+)+/?)$';var reg = new RegExp(strRegex);if(!reg.test(linkUrl.toLowerCase())){alert("跳转链接格式错误!");return false;}
}