Added PCRE2 support. (0.29.0)

examples/extra/pcre2_demo.fun

@@ -0,0 +1,33 @@
+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2025 Johannes Findeisen <you@hanez.org>
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2025-11-25
+ */
+
+/*
+include <regex/pcre2.fun>
+
+rx = Pcre2()
+
+text = "E-mails: one@example.com, Two@Example.COM; invalid: x@y"
+pattern = "[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,}"
+
+print("Has email? ", rx.test(pattern, text, rx.i()))
+
+first = rx.match(pattern, text, rx.i())
+if first != nil {
+  print("First: ", first["full"]) 
+}
+
+all = rx.find_all(pattern, text, rx.i())
+for m in all {
+  print("Found: ", m["full"]) 
+}
+*/