http://qs321.pair.com?node_id=629295


in reply to Re^2: Split a string based on change of character
in thread Split a string based on change of character

I never thought of 
grep $i=!$i,

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before. I usually use 
grep $i^=$i,

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Yours is easier to understand, though.

Update: Yeah, I mean grep $i^=1,.

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