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Create a Regular Expression Pattern

make_regex.Rd

make_regex() takes a character vector and returns a regular expression pattern. If wb is TRUE, word boundaries (\\b) are added before and after each element.

Usage

make_regex(x, wb = FALSE)

Arguments

x

A character vector to be converted into a regular expression.

wb

Logical; if TRUE, adds word boundaries around each element of x.

Value

A character string containing the regular expression pattern.

Examples

make_regex(c("apple", "banana"))
#> [1] "\\bapple\\b|\\bbanana\\b"
make_regex(c("cat", "dog"), wb = FALSE)
#> [1] "\\bcat\\b|\\bdog\\b"