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

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

Usage

escapeRegex(string)
escapeBS(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.

escapeBS will escape any backslash \ in a string.

Value

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

Author

Charles Dupont
Department of Biostatistics
Vanderbilt University

See also

grep

Examples

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

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