Re: [R] grep for strings

2010-12-05 Thread sayan dasgupta
Hi Santosh, you may also try require(stringr) x - abcdefghijklcd str_locate_all(x,cd) On Sun, Dec 5, 2010 at 1:21 PM, Petr Savicky savi...@cs.cas.cz wrote: On Sun, Dec 05, 2010 at 08:04:08AM +0530, Santosh Srinivas wrote: I am trying to find the function where I can search for a pattern

[R] grep for strings

2010-12-04 Thread Santosh Srinivas
I am trying to find the function where I can search for a pattern in a text string (I thought I could use grep for this but no :(). x [1] abcdefghijkl I want to find the positions (i.e. equivalent of nchar) for cd and in case there are multiple hits .. then the results as a array Thank you.

Re: [R] grep for strings

2010-12-04 Thread Charles C. Berry
On Sun, 5 Dec 2010, Santosh Srinivas wrote: I am trying to find the function where I can search for a pattern in a text string (I thought I could use grep for this but no :(). Correct, but reading ?grep and running example( grep ) should show you how to do that search.

Re: [R] grep for strings

2010-12-04 Thread jim holtman
x - abcdefghijkl ?regexpr starting httpd help server ... done regexpr('cd', x) [1] 3 attr(,match.length) [1] 2 On Sat, Dec 4, 2010 at 9:34 PM, Santosh Srinivas santosh.srini...@gmail.com wrote: I am trying to find the function where I can search for a pattern in a text string (I thought I

Re: [R] grep for strings

2010-12-04 Thread Petr Savicky
On Sun, Dec 05, 2010 at 08:04:08AM +0530, Santosh Srinivas wrote: I am trying to find the function where I can search for a pattern in a text string (I thought I could use grep for this but no :(). x [1] abcdefghijkl I want to find the positions (i.e. equivalent of nchar) for cd and in