Re: [R] Any simple way to subset a vector of strings that do contain a particular substring ?

From: Philipp Pagel <>
Date: Thu, 19 Jun 2008 08:19:39 +0200

> strings <- c("aaaa", "bbbb","ccba").
> How to get "aaaa", "bbbb" that do not contain "ba" ?

I think this is what you want:

> foo <- c("aaaa", "bbbb","ccba")
> foo[-grep('ba', foo)]

[1] "aaaa" "bbbb"



Dr. Philipp Pagel
Lehrstuhl für Genomorientierte Bioinformatik
Technische Universität München
Wissenschaftszentrum Weihenstephan
85350 Freising, Germany

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Received on Thu 19 Jun 2008 - 06:22:11 GMT

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