Question

I need to do use php/regex to replace this:

{{image-4-m}}

to this:

<img src="4.jpg" class="m" />

or another example, this:

{{image-53-v}}

to this:

<img src="53.jpg" class="v" />

How would I accomplish this?

Answer 1

You can reference groups by index with preg_replace by using $n.

preg_replace('/{{image-(\d+)-([mv])}}/', '<img src="$1.jpg" class="$2" />', $template);

Here’s a demo.