On Wed, May 04, 2011 at 10:41:36PM +0300, johannes rara wrote: > I have a string like this > > st <- "SELECT COUNT(empid), COUNT(mgrid), COUNT(empname), > COUNT(salary), FROM Employees" > > How can I remove the last comma before the FROM statement?
This doesn't use a regex, per se, but: > st <- "SELECT COUNT(empid), COUNT(mgrid), COUNT(empname), COUNT(salary), FROM > Employees" > st [1] "SELECT COUNT(empid), COUNT(mgrid), COUNT(empname), COUNT(salary), FROM Employees" > sub(", FROM", " FROM", st) [1] "SELECT COUNT(empid), COUNT(mgrid), COUNT(empname), COUNT(salary) FROM Employees" > I'm not sure that's what you had in mind, though. Peace, david -- David H. Wolfskill r...@catwhisker.org Depriving a girl or boy of an opportunity for education is evil. See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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