uuidRegex

import std.algorithm;
import std.regex;

string test = "Lorem ipsum dolor sit amet, consetetur "~
"6ba7b814-9dad-11d1-80b4-00c04fd430c8 sadipscing \n"~
"elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore \r\n"~
"magna aliquyam erat, sed diam voluptua. "~
"8ab3060e-2cba-4f23-b74c-b52db3bdfb46 At vero eos et accusam et "~
"justo duo dolores et ea rebum.";

auto r = regex(uuidRegex, "g");
UUID[] found;
foreach (c; match(test, r))
{
    found ~= UUID(c.hit);
}
assert(found == [
    UUID("6ba7b814-9dad-11d1-80b4-00c04fd430c8"),
    UUID("8ab3060e-2cba-4f23-b74c-b52db3bdfb46"),
]);