php - Preg_Replace Options -

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i'm trying add in middle of text, that.

privateimg-0123456789_[i wanna add here something].jpg

and don't know function or way should use.

i wondering function preg_replace, don't know if can make function replace specific text in position.

just use str_replace()?

$string = "privateimg-0123456789.jpg"; echo str_replace(".jpg", "[whateveryouwant].jpg", $string);

if must use regex:

$string = "privateimg-0123456789.jpg"; echo preg_replace("/\.(jpe?g|png|gif)$/si", "[whateveryouwant].$1", $string);

this jpg, jpeg, png , gif, long last part. /foo/bar.gif/thisisweird wont match


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