Bah!
egrep -i '^[^e]*(e[^e]*){3}[^e]*$'
Not only is it slightly shorter and more readable, but it's a lot easier
change it to search for of 'e' exactly n times.
Joshua Zeidner wrote:
> nice. i would just use perl and embed some code in the regular
> expression itself. you are the regex MASTER. jmz
>
>
> On 4/4/06, *Jeremy C. Reed* < reed@reedmedia.net
> <mailto:reed@reedmedia.net>> wrote:
>
> On Tue, 4 Apr 2006, Joshua Zeidner wrote:
>
> > Ok wise guy...can you tell me all the english words that use the
> letter 'e'
> > exactly threee times? jmz
>
> :)
>
> $ cat /usr/share/dict/{pr,w}* | egrep -i
> '^[^e]*e[^e]*e[^e]*e[^e]*$' | \
> sort -u | wc -l
> 20189
>
> Includes some multi-word phrases, like:
>
> Benkulen tea
> Bermuda-lily disease
> Dartmouth college case
> yew green
> zebra parakeet
>
> And a bunch of words like Echinosphaeritidae, Juniperaceae and more.
>
> Jeremy C. Reed
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--
Darrin Chandler | Phoenix BSD Users Group
dwchandler@stilyagin.com | http://bsd.phoenix.az.us/
http://www.stilyagin.com/ |
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