Regex question

[@lbutlr]

I seem to be having a Brain Cloud¹ moment, but I am trying to match a pattern like this:

foo+(anything)# or foo# and NOT match

foobar#
foobar+(anything)#
foob#
foob+(anything)#
etc

foo+# is invalid and cannot occur in my dataset.

Basically, the + is optional, but if it is there, I have to account for anything after the + up to the # but not account for anything after foo unless the + is there.

I started with foo\+?.*# but that obviously failed and now I'm looking at it and it's 0500 and I should've been in bed 7 hours ago.

And yes, I am going to feel real stupid.

1. 🌋

--
I want to secede, but I don't know what state I'm in. - Bart Simpson, 2012

[Neil Faiman]

That looks like

foo(\+.*?)?#

(Using .*? instead of .* ensures that if you have a line like "foo+bar# foo+mung#", it will match two occurrences, "foo+bar#" and "foo+mung#", rather than a single occurrence with foo followed by the string "bar# foo+mung" followed by #.

Regards,

Neil Faiman

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[Christopher Stone]

On 02/12/2021, at 06:07, @lbutlr <kre...@kreme.com> wrote:

I seem to be having a Brain Cloud¹ moment, but I am trying to match a pattern like this:

foo+(anything)# or foo# and NOT match

foobar#
foobar+(anything)#
foob#
foob+(anything)#
etc

foo+# is invalid and cannot occur in my dataset.

Basically, the + is optional, but if it is there, I have to account for anything after the + up to the # but not account for anything after foo unless the + is there.

---

Something like this?

foo#|foo\+.+?#

-Chris