How to loop through characters of a string in D language?

[Biotronic]

On Wednesday, 8 December 2021 at 11:23:45 UTC, BoQsc wrote:
> Let's say I want to skip characters and build a new string.
>
> The string example to loop/iterate:
>
> ```
> import std.stdio;
>
> void main()
> {
>     string a="abc;def;ab";
>
> }
> ```
>
> The character I want to skip: `;`
>
> Expected result:
> ```
> abcdefab
> ```

     import std.stdio : writeln;
     import std.algorithm.iteration : filter;
     import std.conv : to;

     void main()
     {
         string a = "abc;def;ab";
         string b = a.filter!(c => c != ';').to!string;
         writeln(b);
     }