Add an s modifier (treat as single line) and amend regex to become: 
$string =~s /($string_1)(.*?)($string_2)/$3$2$1/gs;

[download]

Should work, as far as I can see...

cLive ;-)

In reply to Re: how do I swap 2 strings in a file? by cLive ;-)
in thread how do I swap 2 strings in a file? by babyconejo

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