some fun, at least for me! 
$_ = "00111";
do { print "$_\n"; }
while ( s/(1*?)(0*?)01/$2${1}10/ );


00111
01011
10011
01101
10101
11001
01110
10110
11010
11100

[download]
Oha

edit: feel free to change $2${1}10 with $2$1\Q10 :-)

In reply to having fun with RE - was: Re: One Zero variants_without_repetition by oha
in thread One Zero variants_without_repetition by thenetfreaker

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