php - Replace Template Code with HTML

Question

I got a Button, that creates this template code

[5afc4076e9f1b1526481014.pdf]##LINKNAME## (96.51 kb)

The filename and file size vary und the user can change the ##LINKNAME##, as well. This code goes to a database and when I get it back, I want to replace it to

<a href="5afc4076e9f1b1526481014.pdf" target="_blank">##LINKNAME## <i>(96.51 kb)</i></a>

I think I need to use preg_replace() but I am not really good at regular expressions. I stopped here:

<?php
$string = ' [5afc4076e9f1b1526481014.pdf]##LINKNAME## (96.51 kb)';
$regex = '[[a-zA-Z0-9]+.pdf](.*?)\s';
$replace = 'I DONT KNOW';
echo preg_replace($regex, $replace, $string);
?>

I know that this is a complete mess, but I'm not getting any results as long as I don't know the regex and the correct $replace.

does the ##LINKNAME## contain space? what characters are allowed in the LinkName? — Matt.G
– Matt.G, Commented May 16, 2018 at 15:19

Matt.G · Accepted Answer · 2018-05-16 15:16:15Z

2

Regex: ^\[([^\]]+)\](\w+)\s$([^)]+)$$

Replace with: <a href="\1" target="_blank">\2<i>(\3)</i></a>

Demo

answered May 16, 2018 at 15:16

Matt.G

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1 Comment

PhilHarmonie Over a year ago

Thank you! This is working perfectly. I'll take some time, understanding what you put there. Thank you for the Demo. This is really good to learn and understand!

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