Escape string for regular expression

Escape [, ], (, and ) for use in grep.

Usage

escapeForGrep(x)

Arguments

x

a character vector

Value

A character vector with opening and closing square brackets and parentheses escaped for use in grep.

Author

Samuel Leung

Examples

escapeForGrep("[index]")
#> [1] "\\[index\\]"
escapeForGrep("(parentheses)")
#> [1] "\\(parentheses\\)"