[R] overlapping pattern match

Yiping Fan yfan at diversa.com
Fri Mar 28 02:34:05 CET 2003

Hi, all,
     I have a string like  "aaacdf",  I want to find how many "aa" in the
string. Obviously, It is 2 in this case.  it is easy to do in Perl, but how
to do such  overlapping match in R or Splus.  Thanks!


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