Ditto on jeffa's response, but no need to resort to s//. 

perl -e '
 $a="hello world!";
 while ( $a=~/\G(.)(.)/g ) {
  ($b,$c)=($1,$2);
  print"$b:$c\n";
 }
'
h:e
l:l
o: 
w:o
r:l
d:!

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In reply to Re: puzzled by pos by zengargoyle
in thread puzzled by pos by belg4mit

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