How extract path from string using regex

Question

How do I extract /path/index.html from following string

url("/path/index.html")
url(/path/index.html)

I using following regex, but don't work.

Pattern.compile("\\b(href=|url\\()([\"\'])(([^/]+://)([^/<>]+))?([^\"\'>]*)([\"\']|\\))", Pattern.CASE_INSENSITIVE | Pattern.CANON_EQ);

Answer 1

Like some people above stated already, it is better to use the built-in URI helper class. However, if you really need to use a regex for that(and the strings you provided are all the available cases), something like this should do it for you:

/url\("?(.*?)"?\)/

It should look something like this when you pass the pattern as a string in java:

"url\\(\"?(.*?)\"?\\)"

You can then find the string you're looking for in the matched groups.

Answer 2

This will satisfy your requirement.

 String url = "https://stackoverflow.com/questions/45545336/how-extract-path-from-string-using-regex";
 String[] pieces = url.replaceFirst("://", "/").split("/");