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POHow to extract string with regex
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2013-11-28T19:17:11.307
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I'm using a this technic for resizing images on-the-fly, that uses the .htaccess and some php script. in the .htaccess i have this: <pre><code># BEGIN ImageResizing <ifmodule mod_rewrite.c> RewriteEngine on RewriteBase / RewriteRule ^img-small/([A-Za-z0-9/_-]+).(jpg|gif|png)$ images.php?max_width=100&imgfile=$1.$2 </ifmodule> # END ImageResizing </code></pre> <a href="http://sneak.co.nz/projects/img-resizing/php-resizing-v2.zip" rel="nofollow">images.php</a> is the script that does the actual resize this regex expression: <pre><code>^img-small/([A-Za-z0-9/_-]+).(jpg|gif|png)$ </code></pre> matches this path: <pre><code>http://yoursite.com/img-large/myimagepath/myimage.jpg </code></pre> and then sends it to the images.php script as arguments $1.$2 <pre><code>images.php?max_width=100&imgfile=$1.$2 </code></pre> My question is: How can I make this work if I have a path like this: <pre><code>http://yoursite.com/myimagepath/min_myimage.jpg </code></pre> I tried to to build a expression like this: <pre><code>^([A-Za-z0-9/_-]+/)+(min_)([A-Za-z0-9]+).(jpg|gif|png)$ </code></pre> <a href="https://www.debuggex.com/r/V-2URp3iB01ZuoLK" rel="nofollow">Debuggex Demo</a> I think the problem is on the second part of the RewriteRule <pre><code>images.php?max_width=100&imgfile=$1.$2 </code></pre> I tried to change to something like: images.php?max_width=100&imgfile=$1+$3.$4 this is the firt lines of the php script: <pre><code>// max_width and image variables are sent by htaccess $max_height = 1000; $image = $_GET["imgfile"]; $max_width = $_GET["max_width"]; if (strrchr($image, '/')) { $filename = substr(strrchr($image, '/'), 1); // remove folder references } else { $filename = $image; } $size = getimagesize($image); $width = $size[0]; $height = $size[1]; </code></pre>
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<php><regex><.htaccess><image-resizing>
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How to extract string with regex
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