Hi,
I'm reading up on Regular Expressions and I have a question about
alternation.
I have the sentences: "There was a dog in the house." & "A house on the
hill."
Both of these are in a file (named "regex") on two different lines.
My understanding of alternation is that it will look both for what is
on the right and left of the pipe.
So, if I type:
grep in|hill regex
isn't that supposed to give me both sentences in stdout?
When I type that, I get nothing at all on return. I've even typed it
as:
grep in\|hill regex
and I still get nothing. What am I doing wrong? Is what I'm typing
and what I'm asking for two different things? Thanks.
TW
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