[R] gsub/strsplit with multiple patterns/splits

[mdvaan]

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 page for specific tools. After you have waded through a tutorial, the
> following explanation should make more sense.
> 
> The braces are extended regex syntax for a repetition of a pattern by some
> minimum to some maximum number of times. The pattern immediately precedes
> the repetition specification. In the first case of {0,1} the pattern being
> repeated is the comma, and in the second case it is any of the characters
> in the square brackets (a period in this case). The period is a special
> "match any character" pattern when not part of a set of characters. A
> common shorthand for zero or one of something is a + symbol.
> 
> Also, please learn to provide quoting context for the majority of us who
> do not use Nabble.
> ---------------------------------------------------------------------------
> Jeff Newmiller                        The     .....       .....  Go
> Live...
> DCN:<jdnewmil at .ca>        Basics: ##.#.       ##.#.  Live Go...
>                                       Live:   OO#.. Dead: OO#..  Playing
> Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
> /Software/Embedded Controllers)               .OO#.       .OO#. 
> rocks...1k
> --------------------------------------------------------------------------- 
> Sent from my phone. Please excuse my brevity.
> 
> mdvaan <mathijsdevaan@> wrote:
> 
>>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
>>remove the word "Energy"?
>>
>>Thank you very much in advance.
>>
>>Math
>>
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>>
>>______________________________________________
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>>PLEASE do read the posting guide
>>http://www.R-project.org/posting-guide.html
>>and provide commented, minimal, self-contained, reproducible code.
> 
> ______________________________________________
> R-help@ mailing list
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 


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