> On Jun 1, 2020, at 21:31, Howard <[email protected]> wrote:
> 
> Here is an input sample:
> 
> Arizona (5)
> Minnesota (4)
> Cleveland (2)
> San Diego (4)
> 
> Using Grep, I want to remove all the text in each item from the left 
> parenthesis on. How can I do that?

including the left parenthesis:
search for \(.+$
replace with nothing

excluding the left parenthesis:
search for (?<=\().+$
replace with nothing

The "exclusion" uses a "lookbehind" match as in "look behind this to see if the 
rest matches, but only act on the rest". So here, it says "look behind a left 
parenthesis see if you find anything"


-- 
Jean-Christophe Helary @brandelune
http://mac4translators.blogspot.com

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