search for: tp2318086p2318101

Displaying 1 result from an estimated 1 matches for "tp2318086p2318101".

2010 Aug 09
3
Regular Expression
Hi all, >From a list of strings, I desire to filter out the followings: 1. Digits at the beginning of the strings 2. Character "SPE" following the digits (if it exists) 3. Any characters followed by hyphen The following produces the desired result, but would like to know whether this can be done more efficiently. Any suggestions would be much appreciated. dat <- c("2148