Escapes any characters that would have special meaning in a reqular expression.

Escapes any characters that would have special meaning in a reqular expression.

escapeRegex(string)

Arguments

string	string being operated on.

Details

escapeRegex will escape any characters that would have special meaning in a reqular expression. For any string grep(regexpEscape(string), string) will always be true.

Value

The value of the string with any characters that would have special meaning in a reqular expression escaped.

Note

Note that this function was copied literally from the Hmisc package (to prevent importing the entire package for one line of code).

See also

grep, Hmisc, http://biostat.mc.vanderbilt.edu/wiki/Main/Hmisc, https://github.com/harrelfe/Hmisc

Examples

string <- "this\\(system) {is} [full]."
escapeRegex(string)
#> [1] "this\\\\\\(system\\) \\{is\\} \\[full\\]\\."