My website is being hit by some urls that is not
properly by nginx due to some characters like %20.
http://www.abc.com?param=test (Works fine)
http://www.abc.com?param=test%20again (Do no work)
it should be something like this http://www.abc.com?param=test-again
I want to replace %20 with - (Dash). Please suggest me best regex for
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