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Asked: 2026-06-18T06:08:19+00:00

I don’t read regex very well. Can someone help me understand what exactly this

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I don’t read regex very well. Can someone help me understand what exactly this is doing?

RewriteRule ^[!/.]*([\/A-Za-z0-9]+)$ index.php

I have a basic idea, just not concrete clarity, and I don’t want to miss something important.

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1 Answer

  1. Editorial Team

    This regex will match on a url that

    • starts with a !, / or . and
    • is followed by a forward slash, capital letter or digit.

    All requests for URLs that match this rule will be sent to index.php.

    This is a very unusual RewriteRule as it enables URLs like:

    http://example.com/!asdf 
http://example.com/!.asdf2
http://example.com/!./asdf5
http://example.com/./asdf5
http://example.com/.asdf5

    This type of rewrite rule is typically intended to direct requests for files/directories that don’t exist to a front controller. Something like this may serve you better:

    RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^.*$ index.php
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