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@@ -8,9 +8,29 @@
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<body>
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<script>
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// 1.手机号脱敏 13789430987 => 137****0987
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+ const str1 = '13789430987';
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+ const reg1 = /^(1[0-9]{2})[0-9]{4}([0-9]{4})$/
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+ console.log(reg1.test(str1))
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+ console.log(str1.replace(reg1,'$1****$2'))
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// 2.密码匹配 （6-16字母、数字、下划线）
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+ const str2 = 'hello123456_';
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+ const reg2 = /^\w{6,16}$/;
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+ // const reg2 = /^[a-zA-Z0-9_]{6,16}$/;
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+ console.log(reg2.test(str2))
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// 3.匹配16进制颜色 #ff0000 #0f0
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+ const str3 = '#ff0000';
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+ const str4 = '#f0f';
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+ const reg3 = /^#([a-fA-F0-9]{6})|([a-fA-F0-9]{3})$/;
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+ console.log(reg3.test(str3));
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+ console.log(reg3.test(str4));
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// 4.匹配24小时时间 23:59 20:12 08:35 18:22
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+ // 0 0-9
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+ // 1 0-9
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+ // 2 0-3
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+ const reg4 = /^([0-1][0-9])|([2][0-3]):[0-5][0-9]$/
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+ console.log(reg4.test("12:36"));
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+ console.log(reg4.test("20:12"));
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+ console.log(reg4.test("24:00"));
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</script>
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</body>
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</html>
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