Then the string didn't contain what you said it did. decode_utf8 does character decoding, not JavaScript-ish string literal parsing. 

>perl -MEncode -E"$_=decode_utf8('\u0000\r\n'); say; s/\0//g; say"
\u0000\r\n
\u0000\r\n

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In reply to Re^5: Unicode character handling with Net::Telnet::Cisco by ikegami
in thread Unicode character handling with Net::Telnet::Cisco by josh803316

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