an interesting challenge.

[Alex Dean]

On Apr 5, 2006, at 10:49 PM, Kevin Brown wrote:

>> ok... for the title of REGEX MASTER... exactly how many words in  
>> the english language have all 'i's directly before an 'e's except  
>> after a 'c'( ie. you can have an i that is not following an e as  
>> long as it is after a c )?
>
> grep -i '[^c]ie'

That wouldn't find a word that begins with 'ie' (if there are any).   
You need a lookbehind assertion, but I'm not sure if grep will let  
you do that.

The Perl version is '/(?<!c)ie/'.

alex
.