
In the past, the argument could be either a regex or a literal string, so the wording was kind of vague. But nowadays we can count on having regex support (through gnulib), so be more precise in the description.
In the past, the argument could be either a regex or a literal string, so the wording was kind of vague. But nowadays we can count on having regex support (through gnulib), so be more precise in the description.