Pattern matching using a wildcard

Question

How do I identify a string using a wildcard?

I\'ve found glob2rx, but I don\'t quite understand how to use it. I tried using the following code to pick

Answer 1

You're on the right track - the keyword you should be googling is Regular Expressions. R does support them in a more direct way than this using grep() and a few other alternatives.

Here's a detailed discussion: http://www.regular-expressions.info/rlanguage.html