R-help,
Sorry if this is more of a regex question than an R question. However,
help would be appreciated on my use of the regexpr function.
In the first example below, I ask for all characters (a-z) in 'abc123';
regexpr returns a 3-character match beginning at the first character.
McGehee, Robert wrote:
R-help,
Sorry if this is more of a regex question than an R question. However,
help would be appreciated on my use of the regexpr function.
In the first example below, I ask for all characters (a-z) in 'abc123';
regexpr returns a 3-character match beginning at the first
On Tue, 2010-06-01 at 16:43 -0400, Erik Iverson wrote:
McGehee, Robert wrote:
R-help,
Sorry if this is more of a regex question than an R question. However,
help would be appreciated on my use of the regexpr function.
In the first example below, I ask for all characters (a-z) in
Dear all,
It sounds as if regexp works according to the same rules as Perl, very
nicely explained in:
http://blob.perl.org/books/beginning-perl/3145_Chap05.pdf
Yet, I couldn't help but wonder if there are also differences in behaviour.
I couldn't find any yet, but there must be some. Anybody
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