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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 13684739503 => 136****9503
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+ const str = '13684739503';
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+ const reg = /^(1\d{2})(\d{4})(\d{4})$/
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+ console.log(reg.test(str));
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+ console.log(str.replace(reg,'$1****$3'))
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// 2.密码匹配 (6-16字母数字下划线)
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+ const str1 ='hi58748_87y';
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+ const reg1 = /^\w{6,16}$/
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+ console.log(reg1.test(str1));
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// 3.匹配16进制颜色 #ff0000 #ff0
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+ const str2 = '#ff00ff';
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+ const reg2 = /^#([a-fA-F0-9]{6})|([a-fA-F0-9]{3})$/
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+ console.log(reg2.test(str2));
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// 4.匹配24小时时间 23:59 20:09 08:08 18:18
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+ const reg3 = /^([0-1][0-9])|([2][0-3]):[0-5][0-9]$/;
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+ console.log(reg3.test("23:59"))
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+ console.log(reg3.test("20:09"))
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+ console.log(reg3.test("08:08"))
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+ console.log(reg3.test("18:18"))
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+ /**
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+ * 1.any-rule
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+ * 2/https://regexper.com/ 功能可视化表达式
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+ */
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+
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</script>
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</body>
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</html>
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