I want to remove the "www." part from the beginning of an URL string
For instance in these test cases:
e.g. www.test.com → test.com
e.g. www.testwww.com → testwww.com
e.g. testwww.com → testwww.com (if it doesn't exist)
Do I need to use Regexp or is there a smart function?
ベストアンサー1
Depends on what you need, you have a couple of choices, you can do:
// this will replace the first occurrence of "www." and return "testwww.com"
"www.testwww.com".replace("www.", "");
// this will slice the first four characters and return "testwww.com"
"www.testwww.com".slice(4);
// this will replace the www. only if it is at the beginning
"www.testwww.com".replace(/^(www\.)/,"");