Re: [R] Equivalent in R of the Contains operator in SAS

> On Apr 16, 2016, at 6:30 AM, peter dalgaard wrote: > > Check the string matching functions, e.g. grepl(). Concretely: merge3[, grepl( "Email|Email\\.x", names(merge3) ) ] # since "." is special in grepisch patterns. Which admittedly is a bit redundant since any character value that includ

Re: [R] Equivalent in R of the Contains operator in SAS

Check the string matching functions, e.g. grepl(). -pd > On 16 Apr 2016, at 15:18 , Dan Abner wrote: > > Hi all, > > I want to select all variables in the data.frame with a name that > includes are certain string. Something like the following: > > merge3[,names(merge3) %in% c("Email","Email.x

[R] Equivalent in R of the Contains operator in SAS

Hi all, I want to select all variables in the data.frame with a name that includes are certain string. Something like the following: merge3[,names(merge3) %in% c("Email","Email.x")] But there are too many variations on the Email variable names to list them all. Can anyone advise? Thanks! Dan