JS验证URL正则

function fIsUrL(sUrl) {
var sRegex = '^((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 re = new RegExp(sRegex);
//re.test()
if (re.test(sUrl)) {
return true;
}
return false;
}

function fCheckUrl(str) {
var oRegUrl = new RegExp();
//aa.bb.com
oRegUrl.compile("^[A-Za-z]+://[A-Za-z0-9-_]+\\.[A-Za-z0-9-_%&\?\/.=]+$");
if (!oRegUrl.test(str)) {
return false;
}
return true;
}