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41 lines
1.4 KiB
R
Executable File
41 lines
1.4 KiB
R
Executable File
% Generated by roxygen2: do not edit by hand
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% Please edit documentation in R/misc.R
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\name{like}
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\alias{like}
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\alias{\%like\%}
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\title{Pattern Matching}
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\source{
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Inherited from the \href{https://github.com/Rdatatable/data.table/blob/master/R/like.R}{\code{like} function from the \code{data.table} package}, but made it case insensitive at default.
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}
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\usage{
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x \%like\% pattern
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}
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\arguments{
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\item{x}{a character vector where matches are sought, or an
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object which can be coerced by \code{as.character} to a character
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vector. \link{Long vectors} are supported.}
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\item{pattern}{character string containing a \link{regular expression}
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(or character string for \code{fixed = TRUE}) to be matched
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in the given character vector. Coerced by
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\code{\link{as.character}} to a character string if possible. If a
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character vector of length 2 or more is supplied, the first element
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is used with a warning. Missing values are allowed except for
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\code{regexpr} and \code{gregexpr}.}
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}
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\value{
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A \code{logical} vector
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}
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\description{
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Convenience function to compare a vector with a pattern, like \code{\link[base]{grep}}. It always returns a \code{logical} vector and is always case-insensitive.
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}
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\examples{
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library(dplyr)
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# get unique occurences of bacteria whose name start with 'Ent'
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septic_patients \%>\%
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left_join_microorganisms() \%>\%
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filter(fullname \%like\% '^Ent') \%>\%
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pull(fullname) \%>\%
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unique()
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}
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