On 4/2/07, RolandRB <rolandberry@hotmail.com> wrote: > Try /[A-Z][A-Z]*/

Almost. "*" means zero or more occurrences, therefore returning 1 for all records in the example data.

But "+" means one or more.

i = prxmatch('/[A-Z][A-Z]+/',_infile_);

works for the example data.