invert_match: Switch location of matches to location of non-matches.
In csdaw/stringrb: A Base R Version of 'stringr'
invert_match R Documentation
Switch location of matches to location of non-matches.
Description
Invert a matrix of match locations to match the opposite of
what was previously matched.
Usage
invert_match(loc)
Arguments
loc
numeric matrix of match locations, as from str_locate_all()
Value
Returns a numeric matrix giving locations of non-matches.
Examples
numbers <- "1 and 2 and 4 and 456"
and_loc <- str_locate_all(numbers, "and")[[1]]
str_sub(numbers, and_loc[, "start"], and_loc[, "end"])
num_loc <- invert_match(and_loc)
str_sub(numbers, num_loc[, "start"], num_loc[, "end"])
csdaw/stringrb documentation built on Aug. 13, 2022, 10:55 p.m.
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| invert_match | R Documentation |
Switch location of matches to location of non-matches.
Description
Invert a matrix of match locations to match the opposite of what was previously matched.
Usage
invert_match(loc)
Arguments
loc |
|
Value
Returns a numeric matrix giving locations of non-matches.
Examples
numbers <- "1 and 2 and 4 and 456" and_loc <- str_locate_all(numbers, "and")[[1]] str_sub(numbers, and_loc[, "start"], and_loc[, "end"]) num_loc <- invert_match(and_loc) str_sub(numbers, num_loc[, "start"], num_loc[, "end"])
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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