Construct the search string (aka "pattern") based on provided
search terms. The get.unique.terms() and get.bigrams.oi() functions use this
function. The function is a simple wrapper for the paste() function that
surrounds each search term with \\b and separates multiple terms with
pipes |.
Author
Emilio Xavier Esposito emilio.esposito@gmail.com (https://github.com/emilioxavier)
Examples
if (FALSE) { # \dontrun{
search.terms <- c("dog", "cat", "fish")
create.search.string(search.terms)
"\\bdog\\b|\\bcat\\b|\\bfish\\b"
} # }