Re: [R] help with regular expressions in R

2009-08-20 Thread Mark Kimpel
------ >> Mark W. Kimpel MD ** Neuroinformatics ** Dept. of Psychiatry >> Indiana University School of Medicine >> >> 15032 Hunter Court, Westfield, IN 46074 >> >> (317) 490-5129 Work, & Mobile & VoiceMail

Re: [R] help with regular expressions in R

2009-08-20 Thread William Dunlap
2009 9:28 AM To: William Dunlap; r-help@r-project.org Subject: Re: [R] help with regular expressions in R Well, I guess I'm not quite there yet. What I gave earlier was a simplified example, and did not accurately reflect the complexity of the task.

Re: [R] help with regular expressions in R

2009-08-20 Thread Mark Kimpel
*** On Thu, Aug 20, 2009 at 11:39 AM, William Dunlap wrote: > > > -----Original Message- > > From: r-help-boun...@r-project.org > > [mailto:r-help-boun...@r-project.org] On Behalf Of Mark Kimpel > > Sent: Thursday, August 20, 2009 8:31

Re: [R] help with regular expressions in R

2009-08-20 Thread Chuck Taylor
Mark, Try this: > myCharVec [1] "[the rain in spain]" "(the rain in spain)" > gsub("\\[.*\\]", "", myCharVec) [1] """(the rain in spain)" You need two backslashes to "escape" the square brackets. The regular expression "\\[.\\]" translates to "a [ followed by 0 or more insta

Re: [R] help with regular expressions in R

2009-08-20 Thread jim holtman
How about this: > myCharVec <- c("[the rain in spain]", "(the rain in spain)") > gsub('\\[.*\\]', '', myCharVec) [1] """(the rain in spain)" > you had "*." when you should have ".*" On Thu, Aug 20, 2009 at 11:30 AM, Mark Kimpel wrote: > I'm having trouble achieving the resul

[R] help with regular expressions in R

2009-08-20 Thread Mark Kimpel
I'm having trouble achieving the results I want using a regular expression. I want to eliminate all characters that fall within square brackets as well as the brackets themselves, returning an "". I'm not sure if it's R's use of double slash escapes or something else that is tripping me up. If I on