
Intended for use in i
in [.data.table
.
like(vector,pattern)
vector %like% pattern
Either a character
vector or a factor
. A factor
is faster.
Passed on to grepl
.
Logical vector, TRUE
for items that match pattern
.
# NOT RUN {
DT = data.table(Name=c("Mary","George","Martha"), Salary=c(2,3,4))
DT[Name %like% "^Mar"]
# }
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