7 tuntia sitten · f15ad442e3
--- a/18.正则/4.量词.html
+++ b/18.正则/4.量词.html
@@ -20,7 +20,7 @@
 
				         // console.log(reg.test(' '));
			
 
				         // console.log(reg.test('aab'));
			
 
				 
			
 
				-        // ? 1次或多次
			
 
				+        // + 1次或多次
			
 
				         // const reg = /a+$/;
			
 
				         // console.log(reg.test('aa'));
			
 
				         // console.log(reg.test(' '));
			
--- a/18.正则/5.字符类.html
+++ b/18.正则/5.字符类.html
@@ -0,0 +1,35 @@
 
				+<!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 = /[abc]/;
			
 
				+        // console.log(reg.test("ababab"));
			
 
				+        // console.log(reg.test("abc"));
			
 
				+        // console.log(reg.test("acbac"));
			
 
				+        // console.log(reg.test("dh"));
			
 
				+        // console.log(reg.test("abbhj"));
			
 
				+
			
 
				+        // const reg1 = /[0-9]/;
			
 
				+        // const reg2 = /[a-z]/;
			
 
				+        // const reg3 = /[A-Z]/;
			
 
				+        const reg4 = /\w/;
			
 
				+        // console.log(reg1.test(7));
			
 
				+
			
 
				+        // const reg5 = /^[^a-z]/;
			
 
				+        // console.log(reg5.test(990));
			
 
				+
			
 
				+        const reg5 = /./;
			
 
				+        console.log(reg5.test('\n'));
			
 
				+        console.log(reg5.test('\r'));
			
 
				+        console.log(reg5.test('\t'));
			
 
				+        console.log(reg5.test(' '));
			
 
				+        console.log(reg5.test('1212'));
			
 
				+
			
 
				+    </script>
			
 
				+</body>
			
 
				+</html>
			
--- a/18.正则/6.分组.html
+++ b/18.正则/6.分组.html
@@ -0,0 +1,29 @@
 
				+<!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)(cd)/;
			
 
				+        console.log(reg.test("abcd"));
			
 
				+        const str = '2026-05-17';
			
 
				+        const reg1 = /^(\d{4})-(\d{2})-(\d{2})$/;
			
 
				+        // $1 $2 $3
			
 
				+        // 05/17/2026
			
 
				+        console.log(str.replace(reg1,'$2/$3/$1'))
			
 
				+        // /^[0-9A-HJ-NPQRTUWXY]{2}\d{6}[0-9A-HJ-NPQRTUWXY]{10}$/
			
 
				+        // 逻辑运算符：| 分支 或
			
 
				+        const reg2 = /a|b/;
			
 
				+        console.log(reg2.test("a"));
			
 
				+        console.log(reg2.test("ab"));
			
 
				+        console.log(reg2.test("b"));
			
 
				+        console.log(reg2.test("ac"));
			
 
				+        console.log(reg2.test("d"));
			
 
				+        console.log(reg2.test("fa"));
			
 
				+        // https://regexper.com/
			
 
				+    </script>
			
 
				+</body>
			
 
				+</html>
			
--- a/18.正则/7.案例.html
+++ b/18.正则/7.案例.html
@@ -0,0 +1,19 @@
 
				+<!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 13789430987 => 137****0987
			
 
				+
			
 
				+        // 2.密码匹配 （6-16字母、数字、下划线）
			
 
				+
			
 
				+        // 3.匹配16进制颜色 #ff0000 #0f0
			
 
				+
			
 
				+        // 4.匹配24小时时间 23:59 20:12 08:35 18:22
			
 
				+    </script>
			
 
				+</body>
			
 
				+</html>
			
--- a/18.正则/元字符.jpg
+++ b/18.正则/元字符.jpg