> On Jun 1, 2020, at 23:32, 'anotherhoward' via BBEdit Talk
> <bbedit@googlegroups.com> wrote:
>
> What if I wanted to extract all the text up to, but not including, the left
> parenthesis?
Then you need to check that the left parenthesis is ahead of the stuff you need
to match. So it's a "lookahead is there's a left parens!":
^.+(?=\()
And if you want to *extract* the stuff that matches, you have a cute "Extract"
button in the Search dialog to do that.
The manual is of tremendous help too.
--
Jean-Christophe Helary @brandelune
http://mac4translators.blogspot.com
>
> On Monday, June 1, 2020 at 9:49:58 AM UTC-4, Jean-Christophe Helary wrote:
>
>
>> On Jun 1, 2020, at 21:31, Howard <leadwi...@gmail.com> 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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