Sorry, I patented the idea of using regular expressions for solving Technomages problem. You owe me 4 million dollars.
jmz
;you can't expect a linux geek to back down from a regex challenge
On 4/4/06, Jeremy C. Reed <reed@reedmedia.net> wrote:
On Tue, 4 Apr 2006, Josh Zeidner wrote:
> josh@zeidner:/usr/share/dict$ perl -n -e 'if ( $_ =~ /\A[bdfeca]+\Z/ )
> { print "$_" }' < american-english
Be sure to be at least four characters.
> > using bdfeca:
> > construct word strings in a list using only these letters in any
> > combination 4 characters or longer. use of the number 1 as a space filler
> > is permitted.
I am not sure what the "space filler" means. I guess it means putting
multiple words together.
> > example:
> > dead1beef
Without using any "space filler" ...
$ cat /usr/share/dict/* | egrep -a '^[bdfeca]{4,}$' | sort -u | wc -l
56
Jeremy C. Reed
echo ':6DB6=88>?;@69876tA=AC8BB5tA6487><' | tr '4-F' 'wu rofIn.lkigemca'
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