It sounds like you're asking how to substitute newlines in the middle of that substitution. The reason you're asking is that

it doesn't work if $3 contains multiples lines
I think this premise is wrong. What do you mean that it "doesn't work"? I just tried a small test case (assuming that the encode_base64 in your code is the one from MIME::Base64) and it works just fine.

duff

In reply to Re: inline replacement in existing regex by duff
in thread inline replacement in existing regex by raiten

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