No 
use Devel::Peek;
$_=123;  Dump $_;  # IOK
''.$_;   Dump $_;  # IOK+POK
$_.='';  Dump $_;  #     POK
0+$_;    Dump $_;  # IOK+POK
$_+=0;   Dump $_;  # IOK

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In reply to Re^2: Need some wisdom on strings to numbers by ikegami
in thread Need some wisdom on strings to numbers by decebel

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