1、需求：有字符串“Once1a2wolf,3always4a5wolf!”，
写代码实现最终输出结果“Once a wolf, always a wolf!”
2、字符串切割
需求：请按照叠词切割“sdqqfgkkkhjppppkl”
3、字符串替换
需求：将字符串“我我....我...我.要...要要...要学....学学..学.编..编编.编.程.程.程..程”还原成“我要学编程”
4、字符串获取
需求：把一个字符串"我的手机号码是17688888888，曾经用过13187654321，还用过13512345678"中的手机号码获取出来
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>regex</title>
<script>
var str = 'Once1a2wolf,3always4a5wolf!';
var re = /\d/g;
console.log(str.replace(re,' '));
var str1 = 'sdqqfgkkkhjppppkl';
str1 = str1.replace(/(.)\1+/g,' ');
str1 = str1.split(' ');
console.log(str1);
var str2 = '我我....我...我.要...要要...要学....学学..学.编..编编.编.程.程.程..程';
str2 = str2.replace(/\./g,'');
str2 = str2.replace(/(.)\1+/g,'$1');
console.log(str2);
var str3 = "我的手机号码是17688888888，曾经用过13187654321，还用过13512345678";
str3 = str3.match(/1\d{10}/g);
console.log(str3);
</script>
</head>
<body>
</body>
</html>
网友评论