How to rewrite french characters from a string of %?

+a%25C3%25A9bc%25C3%25AAd-->+aébcêd

[FromRocky]

How to rewrite from

www.example.fr/page/?q=keyword1+a%25C3%25A9bc%25C3%25AAd&...

to

www.example.fr/page/?q=keyword1+aébcêd&...

Hope someone can help.

[vincevincevince]

FromRocky said:

www.example.fr/page/?q=keyword1+aébcêd&...

I'm afraid that such symbols are not valid as part of a URL.