There are many resources for learning regular expressions (e.g.
http://gnosis.cx/publish/programming/regular_expressions.html). Once you
understand the basics you will probably be able to refer to the ?regex help
page for specific tools. After you have waded through a tutorial, the following
0 and 1 means zero or 1 match.
Want to remove the word Energy?
gsub(( Energy){0,1},{0,1} Inc[.]{0,1}, , DF)
On Thu, May 31, 2012 at 11:45 AM, mdvaan mathijsdev...@gmail.com wrote:
Thanks! That works like a charm, but I am not sure if I fully understand the
syntax. I looked at the gsub page
Thank you very much. This definitely helps me out.
Math
Jeff Newmiller wrote
There are many resources for learning regular expressions (e.g.
http://gnosis.cx/publish/programming/regular_expressions.html). Once you
understand the basics you will probably be able to refer to the ?regex
help
Hi,
I have a vector like this:
DF - c(Aetna, Inc., Alexander's Inc., Allegheny Energy, Inc)
For each element in the vector I would like to remove the incorporated
info, so that my vector looks like this:
DF - c(Aetna, Alexander's, Allegheny Energy)
That means that I have to strip:
strip -
Try this where you qualify how many characters you might match:
gsub(,{0,1} Inc[.]{0,1}, , DF)
[1] AetnaAlexander's Allegheny Energy
On Wed, May 30, 2012 at 6:05 PM, mdvaan mathijsdev...@gmail.com wrote:
Hi,
I have a vector like this:
DF - c(Aetna, Inc., Alexander's Inc.,
Thanks! That works like a charm, but I am not sure if I fully understand the
syntax. I looked at the gsub page but still couldn't figure it out. What
does the pattern part (,{0,1} Inc[.]{0,1}) do? What do the 0 and 1 within
the curly brackets refer to? Also, what if, for example, I would want to
6 matches
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