lovecoding
/
VIP32


			
				
					
						
						
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							<!DOCTYPE html>
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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 1.手机号脱敏 13789430987 => 137****0987
        const str1 = '13789430987';
        const reg1 = /^(1[0-9]{2})[0-9]{4}([0-9]{4})$/
        console.log(reg1.test(str1))
        console.log(str1.replace(reg1,'$1****$2'))
        // 2.密码匹配 （6-16字母、数字、下划线）
        const str2 = 'hello123456_';
        const reg2 = /^\w{6,16}$/;
        // const reg2 = /^[a-zA-Z0-9_]{6,16}$/;
        console.log(reg2.test(str2))
        // 3.匹配16进制颜色 #ff0000 #0f0
        const str3 = '#ff0000';
        const str4 = '#f0f';
        const reg3 = /^#([a-fA-F0-9]{6})|([a-fA-F0-9]{3})$/;
        console.log(reg3.test(str3));
        console.log(reg3.test(str4));
        // 4.匹配24小时时间 23:59 20:12 08:35 18:22
        // 0 0-9 
        // 1 0-9
        // 2 0-3
        const reg4 = /^([0-1][0-9])|([2][0-3]):[0-5][0-9]$/
        console.log(reg4.test("12:36"));
        console.log(reg4.test("20:12"));
        console.log(reg4.test("24:00"));
    </script>
</body>
</html>