search for: tp4657029

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2013 Jan 30
2
substring from behind
...ID. But how can i do this, if i want the 2nd, 3rd and 4th number of a column. Like this one. I have: Mercedes_02352 Audi_03555 and now i want to filter this data.frame to 235 355 can you help me? Thanks. Mat -- View this message in context: http://r.789695.n4.nabble.com/substring-from-behind-tp4657029.html Sent from the R help mailing list archive at Nabble.com.