Re: [boost] [regex] regex_replace with format string replaced as it is

From: John Maddock (john_at_[hidden])
Date: 2005-05-31 11:00:24

> when I use
>
> template <class traits, class Allocator, class charT>
> basic_string<charT> regex_replace(const basic_string<charT>& s,
>          const basic_regex<charT, traits, Allocator>& e,
>          const basic_string<charT>& fmt,
>          match_flag_type flags = match_default);
>
> is there a way to make the fmt string be substituted as IT is?
>
> I mean if I specify "(\\)", for instance, I want that actually those four 
> characters to be substituted for the occurrences of e in s, without any 
> interpretation of ( and \.
>
> Of cource I could escape both ( and \, but I was wondering if there's an 
> option to avoid this.

Yes: pass format_literal|match_default as the last parameter to 
regex_replace, and the string will be treated as a literal, and not a 
Perl-style format string.

HTH,

John.