1 bulan lalu · 46175087ba
--- a/17.正则/5.元字符-字符类.html
+++ b/17.正则/5.元字符-字符类.html
@@ -0,0 +1,39 @@
 
				+<!DOCTYPE html>
			
 
				+<html lang="en">
			
 
				+<head>
			
 
				+    <meta charset="UTF-8">
			
 
				+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
			
 
				+    <title>Document</title>
			
 
				+</head>
			
 
				+<body>
			
 
				+    <script>
			
 
				+        // 任意匹配 []
			
 
				+        // const reg = /[abc]/;
			
 
				+        // console.log(reg.test("ababab"));
			
 
				+        // console.log(reg.test("abc"));
			
 
				+        // console.log(reg.test("acbcba"));
			
 
				+        // console.log(reg.test("acaacac"));
			
 
				+        // console.log(reg.test("dcdhjhfgjk"));
			
 
				+
			
 
				+        // 连字符 -
			
 
				+        // const reg1 = /[0-9]/
			
 
				+        // const reg2 = /[a-f]/
			
 
				+
			
 
				+        // 取反 ^
			
 
				+        // const reg3 = /[^a-z]/;
			
 
				+        // console.log(reg3.test("acaacac"));
			
 
				+        // console.log(reg3.test("uiuiui"));
			
 
				+        // console.log(reg3.test("ba8ba"));
			
 
				+        // console.log(reg3.test("as"));
			
 
				+
			
 
				+        // . 除换行以外的任意字符
			
 
				+        const reg4 = /./;
			
 
				+        console.log(reg4.test('aaa'))
			
 
				+        console.log(reg4.test('123456789'))
			
 
				+        console.log(reg4.test(''));//false
			
 
				+        console.log(reg4.test('\n'))
			
 
				+        console.log(reg4.test('\r'))
			
 
				+
			
 
				+    </script>
			
 
				+</body>
			
 
				+</html>
			
--- a/17.正则/6.元字符-分组.html
+++ b/17.正则/6.元字符-分组.html
@@ -0,0 +1,33 @@
 
				+<!DOCTYPE html>
			
 
				+<html lang="en">
			
 
				+<head>
			
 
				+    <meta charset="UTF-8">
			
 
				+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
			
 
				+    <title>Document</title>
			
 
				+</head>
			
 
				+<body>
			
 
				+    <script>
			
 
				+        const reg = /(ab)c/;
			
 
				+        console.log(reg.test("abcabdcba")); //false
			
 
				+        console.log(reg.test('ab')); // false
			
 
				+        // 2025-03-29
			
 
				+        const data = '2025-03-29';
			
 
				+        // 03/29/2025
			
 
				+        const reg1 = /^(\d{4})-(\d{2})-(\d{2})$/
			
 
				+        console.log(reg1.test(data));
			
 
				+        // $1 $2 $3
			
 
				+        // 分组捕获
			
 
				+        console.log(data.replace(reg1,'$2~$3~$1'))
			
 
				+        // 分支结构
			
 
				+        const a1 = 'www';
			
 
				+        const a2 = 'aaa';
			
 
				+        const a3 = 'vvv';
			
 
				+        const a4 = 'ggg';
			
 
				+        const reg2 = /www|ggg/;
			
 
				+        console.log(reg2.test(a1));
			
 
				+        console.log(reg2.test(a2));
			
 
				+        console.log(reg2.test(a3));
			
 
				+        console.log(reg2.test(a4));
			
 
				+    </script>
			
 
				+</body>
			
 
				+</html>
			
--- a/17.正则/7.案例.html
+++ b/17.正则/7.案例.html
@@ -0,0 +1,16 @@
 
				+<!DOCTYPE html>
			
 
				+<html lang="en">
			
 
				+<head>
			
 
				+    <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 13684739503 => 136****9503
			
 
				+        // 2.密码匹配 (6-16字母数字下划线)
			
 
				+        // 3.匹配16进制颜色 #ff0000 #ff0
			
 
				+        // 4.匹配24小时时间 23:59 20:09 08:08 18:18
			
 
				+    </script>
			
 
				+</body>
			
 
				+</html>
			
--- a/17.正则/元字符.jpg
+++ b/17.正则/元字符.jpg