javascript正则表达式匹配URL

JavaScript032

javascript正则表达式匹配URL,第1张

var url = 'http://xxx.com/index.php?page=1'

url = url.replace(/(http:\/\/xxx\.com\/index\.php\?page=)(\d+)/,function(){

    return arguments[1]+'2'

})

不建议使用正则,可使用location对象提取page参数进行处理

function IsURL(str_url){

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 re=new RegExp(strRegex)

//re.test()

if (re.test(str_url)){

return (true)

}else{

return (false)

}

}