Hi all, > diff_operator <- "\\(" > strsplit(cond, diff_operator) [[1]] [1] "andsin" "log_angle_1_4)"
> diff_operator <- "\\sin(" > strsplit(cond, diff_operator) Error in strsplit(cond, diff_operator) : invalid regular expression '\sin(', reason 'Missing ')'' When I am going to split with "(" it’s working fine but when i want use "sin(" this is not working. I understand that, I am missing something can anybody please point me. Thanks for your help. Thanks, Bharat ----- Bharat Warule Pune -- View this message in context: http://r.789695.n4.nabble.com/strsplit-with-invalid-regular-expression-tp4648857.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.