Re: [R] platform dependent regex

why 3 parameters on the 'grepl'? Did you mean to say: ​grepl("\\W", "س") # FALSE Jim Holtman Data Munger Guru What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it. On Tue, Feb 9, 2016 at 11:55 AM, Ista Zahn wrote: > I

[R] platform dependent regex

I just spent a day and a half debugging someone's code, only to discover that the problem is platform dependent regular expressions. For example: ## Windows: grepl("\\W", "", "س") # TRUE ## OS X: grepl("\\W", "", "س") # TRUE ## Linux: grepl("\\W", "", "س") # FALSE Ouch. The documentation

Re: [R] platform dependent regex

Hi Jim, Bah, yes, I meant, ## Windows: grepl("\\W", "س") # TRUE ## OS X: grepl("\\W", "س") # TRUE ## Linux: grepl("\\W", "س") # FALSE Sorry about that. My original example was with gsub, but I thought changing to grepl example was clearer. Thank you. -- Ista On Tue, Feb 9, 2016 at