php preg_replace regex replace string between two string

Question

I have the following problem: I want to replace (in php) a special character, but only if it\'s between two other characters. It tried to find a solution with with preg_repl

Answer 1

What about string replace?

str_ireplace(';";', ':";', $orig_string);

asbas;"asd:";asd;asdadasd;"asd;adsas"