1 alert(checkURL(‘http:555‘)); //false 2 function checkURL(URL) { 3 ????var str = URL, 4 ????????Expression = /http(s)?:\/\/([\w-]+\.)+[\w-]+(\/[\w- .\/?%&=]*)?/, 5 ????????objExp = new RegExp(Expression); 6 ????if(objExp.test(str) == true) { 7 ????????return true 8 ????} else { 9 ????????return false10 ????}11 }全部代码：
1 <!DOCTYPE html> 2 <html> 3 ?4 ????<head> 5 ????????<meta charset="UTF-8"> 6 ????????<title></title> 7 ????</head> 8 ?9 ????<body>10 ????????<script type="text/javascript">11 ????????????alert(checkURL(‘http:555‘)); //false12 ????????????function checkURL(URL) {13 ????????????????var str = URL,14 ????????????????????Expression = /http(s)?:\/\/([\w-]+\.)+[\w-]+(\/[\w- .\/?%&=]*)?/,15 ????????????????????objExp = new RegExp(Expression);16 ????????????????if(objExp.test(str) == true) {17 ????????????????????return true18 ????????????????} else {19 ????????????????????return false20 ????????????????}21 ????????????}22 ????????</script>23 ????</body>24 25 </html>js_判断当前url是否合法http(s)
原文地址：https://www.cnblogs.com/wush-1215/p/8862091.html