php preg_match regex for multiple directories and files

Question

I'm trying to write a regex expression in PHP that will load content in all locations specified, or every location except those specified.

#load content everywhere EXCEPT locations expressed
<?php if (preg_match('/\/(contact\/|news\/|index\.html)/', $_SERVER['REQUEST_URI']) === 0): ?>
<div class="greeting">Bonjour</div>
<?php endif; ?>

#load content on locations expressed
<?php if (preg_match('/\/(contact\/|news\/|index\.html)/', $_SERVER['REQUEST_URI']) === 1): ?>
<div class="greeting">Konichiwa</div>
<?php endif; ?>

The problem I'm having is that I can't get the root of my website /index.html(specifically http://example.com/index.html, nowhere else) to work alongside the wildcards for any page in /contact/ or /news/.

To summarize again: /contact/* (any page in contact), /news/* (any page in /news/), /index.html (root of website)

I've tried a few different ways of adding the slash before index.html, but it either didn't work or returned a PHP error.

anubhava · Accepted Answer · 2013-08-04 15:37:49Z

1

Make sure you use anchor ^ (line start) make sure you match URI from root:

if (preg_match('#^/(contact/|news/|index\.html|$)#', $_SERVER['REQUEST_URI']))

I also changed regex delimiter to # so that you can avoid escaping / in your regex.

edited Aug 4, 2013 at 15:37

answered Aug 3, 2013 at 8:32

anubhava

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4 Comments

questy Over a year ago

Sorry for the delayed response. I tried it, but it still doesn't seem to be recognizing that index.html is the root like example.com/ or example.com. As it did before, it still works for /contact/* and /news/*, but no matter what I do, it doesn't seem to recognize the root of the website.

anubhava Over a year ago

What was the URL in your browser when you tested it?

questy Over a year ago

I tried example.com, example.com/. It works with example.com/index.html, but I thought in this case it understood it on the server side since index.html was being loaded at the root when you just went to example.com. What can I do to define the front page of the domain in the regex instead of index.html?

anubhava Over a year ago

Ok I made an edit to take care of just example.com in the URL. Pls check.

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