Dear list, The following behaviour looks like a bug:
grepl("ab{,2}c", "abbbc")
# [1] TRUE
I would expect either FALSE or an "invalid regex" error.
More details can be found in the question I originally asked here:
https://stackoverflow.com/q/46999964/6656269
I've also opened an issue on the TRE github:
https://github.com/laurikari/tre/issues/62
Best,
Etienne
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