Regex to replace file extension

Question

I would like a regex to replace the .html file extension with a / so www.example.com/page.html becomes www.example.com/page/. I want to also exclude a folder from this rule so anything within www.example.com/specialdir/ should be excluded.

EDIT: This will be used in php

In what context does the URL appear? Is it by itself or is it just one part of a longer string? Is there more than one in a longer string? Will the URL ever have query or fragments? Its always helpful to provide some desired before and after representative examples. — ridgerunner
– ridgerunner, Commented Sep 28, 2011 at 13:37

Olli · Accepted Answer · 2011-09-28 13:12:12Z

3

Better to use htaccess:

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ $1.html [L,QSA]

Source: Snipplr

So it will change all http://somesite/someurl to http://somesite/someurl.html in server side.

answered Sep 28, 2011 at 13:12

Olli

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3 Comments

Xerri Over a year ago

I want it the other way round....remove .html and not add. Also I want to add an exception where the rule does not apply to a certain folder

Mitch Grande Over a year ago

@thearchitect, do some research on htaccess and mod_rewrite. This is probably the answer you're looking for.

Olli Over a year ago

@thearchitect my code does not redirect user to .html page. It does the change in server side and user sees in taskbar: somesite.com/somepage instead of somesite.com/somepage.html

Tim Pietzcker · Accepted Answer · 2011-09-28 13:09:05Z

1

Search for

(www\.example\.com/(?!specialdir/).*)\.html$

and replace all with \1 or $1, depending on your regex implementation.

EDIT: In PHP:

$result = preg_replace('%(www\.example\.com/(?!specialdir/).*)\.html$%', '\1', $subject);

answered Sep 28, 2011 at 13:09

Tim Pietzcker

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