// Iterating chars by Word...

​

import std.stdio;

import std.algorithm;

import std.uni;

​

void main() {

    // 1st

    writeln( "1st:" );

    auto s = "import core.sys.windows.windows;\nimport std.conv      : to;\n"w;

    auto words = s.splitter;

    words.writefln!"%-(%s\n%)";

​

    // 2nd

    writeln();

    writeln( "2nd:" );

    import std.array : split;

​

    wchar[] str = cast(wchar[]) "import core.sys.windows.windows;\nimport std.conv      : to;\n"w;

    foreach(w; str.split())

    {

        writeln(w);

    }

​

​

    // 3d

    writeln();

    writeln( "3d:" );

    auto chars = "import core.sys.windows.windows;\nimport std.conv      : to;\n"w;

    foreach( w; chars.splitter(' ') )

    {

        writeln( w );

    }

​

​

    // 4d

    writeln();

    writeln( "4d:" );

    chars = "import core.sys.windows.windows;\nimport std.conv      : to;\n"w;

    foreach( w; chars.splitter!( ( a ) =>  " .,;:".canFind( a ) )() )

    {

        writeln( w );

    }

​

​

    // 5th

    import std.uni : isAlphaNum;

    writeln();

    writeln( "5th:" );

    chars = "import core.sys.windows.windows;\nimport std.conv      : to;\n"w;

    foreach( w; chars.splitter!( ( a ) => !a.isAlphaNum )() )

    {

        writeln( w );

    }

}

​