"repeating pair" regex

[Dmitry Olshansky]

On 21.05.2012 16:42, Thor wrote:
> Hi,
>
> I tried something like this...
> auto m = match("a=42 b=32 c=22", regex(`^(?: \s* (\w+)=(\d+) )+$`, `x`));
>
> This works fine...
> `^(?: \s* (\w+)=(\d+) )+$`
> ... and if I duplicate the string x times, it also works...
>
> But I'm hoping to parse a variable number of these 'pairs'... so I tried
> grouping the pairs in (?:)+ but this way it saves only the last pair?
>
> Anyone got an idea?
>
Yes, just use the global flag and drop  ( )+.

Then this foreach ought to save the day:
foreach( m; match(..., `\s* (\w+)=(\d+) `, `gx`))
{
	//some stuff with m[1] & m[2]
}

Throw in some experiment w.r.t. the end of line and you should be fine.

-- 
Dmitry Olshansky