doufu2396 2014-05-01 09:09
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Imagine in my website I want to show some analytic about domains, working URL example of what I need:

As you see in the above URL, it's handling as a variable and pass it to another page to process the given variable, that's exactly what I want.

So for detecting that kind of variable, here is my regex:


The above RegEx is simple and accepts everything like:, so in my .htaccess file I have:

RewriteRule (^[a-zA-Z\d]+(?:-?[a-zA-Z\d])+\.[a-zA-Z]+$) modules/pages/page.php?domain=$1

The above rule do what I want, but it also redirects my homepage to page.php while there is nothing in the URL, forexample: is now being forwarded to page.php

How can I fix this?

Thanks in advance

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  • drduinfu915094 2014-05-01 09:58

    It redirects also the base domain to page.php because of the regex. You are using the + on all places, the meaning of the plus is "Matches the preceding pattern element one or more times.". ( If you request the homepage, it redirects because all the elements are appearing zero times, like you defined in the regex.

    Instead of the + you should define a minimum and a maximum amount of characters (so the zero occurrences are not evaluated). BTW, a quick search in google for "regex domain" will output a lot of results, which are tested. Use the following for example:

    RewriteEngine on
    RewriteRule (^(([a-zA-Z]{1})|([a-zA-Z]{1}[a-zA-Z]{1})|([a-zA-Z]{1}[0-9]{1})|([0-9]{1}[a-zA-Z]{1})|([a-zA-Z0-9][a-zA-Z0-9-_]{1,61}[a-zA-Z0-9]))\.([a-zA-Z]{2,6}|[a-zA-Z0-9-]{2,30}\.[a-zA-Z]{2,3})$) modules/pages/page.php?domain=$1

    Reference: Domain name validation with RegEx

    Update 1:

    If you want to use your own regex, exchange the last "+" with {2,}. The top-level domains have usually at least 2 characters.

    RewriteEngine on
    RewriteCond %{REQUEST_URI} !(\.html|\.php|\.pdf|\.gif|\.png|\.jpg|\|\.jpeg)$
    RewriteRule (^[a-zA-Z\d]+(?:-?[a-zA-Z\d])+\.[a-zA-Z]{2,}$) modules/pages/page.php?domain=$1
    本回答被题主选为最佳回答 , 对您是否有帮助呢?



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