lovecoding
/
VIP32


			
				
					
						
						
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							<!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>
      var reg = /an/gi;
      const reg1 = /哈哈哈/;
    console.log(reg.test("bababa"));
    console.log(reg.test("ABABAB"));

    var str1 = "an Cat,is An fish"
    console.log(str1.match(reg));
   </script> 
</body>
</html>