正则表达式——过滤非字母字符

JS

java：

1
2
3
String ss= "[^a-zA-Z]";
String s = "A man, a plan, a canal: Panama";
s = s.replaceAll(ss,"");

###js:

1
2
3
var ss= /[^a-zA-Z]/g;
var s = A man, a plan, a canal: Panama;
s = s.replace(ss,"");