[R] Using gregexpr with multiple search elements

2009-02-25 Thread Corey Sparks
Dear list, I am trying to use gregexpr to see if entries in a dataframe have either of two possible values for a string. here's an example text-c(fat, rat, cat, dog, log, fish) If I just wanted to find if any one of the elements in text match the pattern at I would do gregexpr(\\at, text)

Re: [R] Using gregexpr with multiple search elements

2009-02-25 Thread Christos Hatzis
gregexpr(\\at|\\og, text) -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Corey Sparks Sent: Wednesday, February 25, 2009 11:50 AM To: R Help Subject: [R] Using gregexpr with multiple search elements Dear list, I am