Dear R users, I need to match a string. It can be followed or preceded by whitespace or // or nothing. How do I code it in R?
For example: test <- c('AARSD11','AARSD1-','AARSD1//','AARSD1 //','//AARSD1'); grep('AARSD1(\\s*//*)',test); should return 3,4,5 and 6. Thanks in advance for your help. Lin ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.