Hello,
I want to detect Ab not Abc. For a normal vector
test
[1] "A" "Ab" "GG" "GA" "H" "Abc" "Gz" "HU"
> grep ("^Ab$", test)
[1] 2
works well.
For
test.list
[[1]]
[1] "A" "Ab" "GG" "GA"
[[2]]
[1] "H" "Abc" "Gz" "HU"
grep ("^Ab$", test.list)
integer(0)
doest not work.
Why?
How do I detect exclusively Ab in a list context?
Thanks hermann
> dput (test.list)
list(c("A", "Ab", "GG", "GA"), c("H", "Abc", "Gz", "HU"))
> dput (test)
c("A", "Ab", "GG", "GA", "H", "Abc", "Gz", "HU")
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