Don't go looking for the CR characters. When on Windows/DOS/etc, they will have been stripped by perl, without binmode, when they appear in front of the linefeed — the normal case. That's why you failed, IMO. If you want to keep searching for them (for example for on Linux), make them optional. That's the best of both worlds. 
s/\r?\n(?=\|\|)//g;

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In reply to Re: A serch and replace question by bart
in thread A serch and replace question by ChuckularOne

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