RegEx - How To Insert String Before File Extension

Posted by st4ck0v3rfl0w on Stack Overflow See other posts from Stack Overflow or by st4ck0v3rfl0w
Published on 2010-03-12T00:10:03Z Indexed on 2010/03/12 0:37 UTC
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regex

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php

Hi All,

How would I insert "_thumb" into files that are being dyanmically generated.

For example, I have a site that allows users to upload an image. The script takes the image, optimizes it and saves to file. How would I make it insert the string "_thumb" for the optimized image?

I'm currently saving 1 version of the otpimized file. ch-1268312613-photo.jpg

I want to save the original as the above string, but want to append, "_thumb" like the following string ch-1268312613-photo_thumb.jpg

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