From: Joel VanderWerf <vjoel@...>
Date: 2002-02-17T14:37:29+09:00
Subject: Re: string::literalize ? (Was, Hi this code)

Jeff wrote:

> Thanks;  There isn't a string.deregexpify or literalize is there?
> I think that would be useful if not, for replacing arbitrary patterns
> that originate from outside a program.  If not, maybe I'll try...

Use Regexp.quote (alias escape):

irb(main):010:0> pattern = "what???"
"what???"
irb(main):011:0> "whatever, what???".sub pattern, "foo"
"footever, what???"
irb(main):012:0> "whatever, what???".sub Regexp.quote(pattern), "foo"
"whatever, foo"

--
Joel VanderWerf                          California PATH, UC Berkeley
mailto:vjoel@path.berkeley.edu                     Ph. (510) 231-9446
http://www.path.berkeley.edu                       FAX (510) 231-9512