Full_Name: Peter Dolan Version: 2.5.1 OS: Windows Submission from: (NULL) (128.193.227.43)
gregexpr does not find all matching substrings if the substrings overlap:
> gregexpr("abab","ababab")
[[1]]
[1] 1
attr(,"match.length")
[1] 4
It does work correctly in Version 2.3.1 under linux.
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