//tokenize 32 1 2 | echo -a > $regsubex(a,/a/,$1 $2)
//tokenize 32 1 2 | echo -a > $regsubex(a,/a/,Ga $1)
I think this is a bug, in the third parameter of $regsubex, $N return $null...
Edit : another strange thing :
echo -a > $regsubex(waf,/(a)/,$(\1,0))
Using $regsub works nice