[Issue 7674] regex replace requires escaped format

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7674



--- Comment #1 from Dmitry Olshansky <dmitry.olsh at gmail.com> 2012-03-09 03:30:45 PST ---
(In reply to comment #0)
> When using std.regex.replace the format parameter is also requiring to be a
> valid regex.
Strange.
But speaking of format string it is expected to be a plain string there is no
need to escape a thing in there IRC.

 The below example is expected to pass
> 
> import std.regex;
> 
> void main() {
>     auto str = "hello?";
> 
>     assert(str.replace(regex(r"\?", "g"), r"\?") == r"hello\?");
> }
> 
> This should fail:
> 
> import std.regex;
> 
> void main() {
>     auto str = "hello?";
> 
>     assert(str.replace(regex(r"\?", "g"), r"\\?") != r"hello\?");
> }
> 
> Maybe I'm wrong on this, but the current requirement seems off.
Apparently it is, I'll take a look.

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