URL not found when using .htaccess

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0

So I'm trying to make my URLs look pretty. Like Twitters. So here's where the profile is located.

http://localhost/profile.php?username=alex

When I use

RewriteEngine On
RewriteRule ^([a-zA-Z0-9_-]+)$ profile.php?username=$1
RewriteRule ^([a-zA-Z0-9_-]+)/$ profile.php?username=$1

And then go to

http://localhost/alex

I end up getting this

Not Found

The requested URL /alex was not found on this server. 

So my question is, what am I doing wrong? Can I enable error reporting on .htaccess? Sorry if this is really basic, but I'm, really new.

asked 28 secs ago

user302975

285