Manipulate slice or specific element of range and return range

[Simen Kjærås]

On Wednesday, 21 March 2018 at 11:30:28 UTC, Timoses wrote:
> Hey,
>
> I'm struggling to find a way to achieve this. I've looked 
> through std.algorithm but didn't find anything.. Maybe I'm 
> blind.
>
> What I would like to do is filter out all spaces in a string 
> and change the front letter to lower case:

https://xkcd.com/208/

unittest {
     assert("my capitalized string".capitalize == 
"myCapitalizedString");
}

auto capitalize(string s) {
     import std.regex, std.uni;

     return s.replaceAll!(a => a[1].toUpper)(regex(" (.)"));
}

--
   Simen