2.修饰符.html 431 B

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8">
  5. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  6. <title>Document</title>
  7. </head>
  8. <body>
  9. <script>
  10. // i 不区分大小写
  11. // g 匹配全局
  12. var reg = /an/gi;
  13. console.log(reg.test("An apple"));
  14. var str = "An apple,an banana";
  15. console.log(str.match(reg));
  16. </script>
  17. </body>
  18. </html>