有参数的正则表达式怎么写?
<script>
var oldLang="CN";
var newLang="EN";
var gg2="stringMapped("+oldLang+"DDDDDDstringMapped("+oldLang+"12121212";
var matchkey = new RegExp("\/stringMapped("+oldLang+"\/","g") 这句怎么写?
gg2=gg2.replace(matchkey,"stringMapped("+newLang);
alert(gg2);
</script>
我想把gg2中的字符串"stringMapped("+oldLang 为 "stringMapped("+newLang
请问var matchkey =这句怎么写?谢谢