feat(Validator): Add regex and date validation methods

src/Libs/Validator.php

@@ -339,6 +339,48 @@ class Validator
         return static::measure($subject) === (float) $size;
     }
 
+    /**
+     * Checks if the value matches a regular expression.
+     *
+     * The pattern is received verbatim (delimiters included), thanks to
+     * splitArguments() treating "regex" as an intact argument, so patterns
+     * that contain ':' or ',' - such as "/^a,b$/" - work as expected.
+     *
+     * @param mixed  $subject The value to check.
+     * @param string $pattern A PCRE pattern including its delimiters.
+     *
+     * @return bool
+     */
+    public static function regex(mixed $subject, mixed $pattern): bool
+    {
+        return preg_match((string) $pattern, (string) $subject) === 1;
+    }
+
+    /**
+     * Checks if the value is a parseable date.
+     *
+     * Any format accepted by DateTime is valid (e.g. "2026-09-03", an ISO
+     * datetime, or a timestamp string). Empty and non-scalar values fail.
+     *
+     * @param mixed $subject The value to check.
+     *
+     * @return bool
+     */
+    public static function date(mixed $subject): bool
+    {
+        if (!is_scalar($subject) || trim((string) $subject) === '') {
+            return false;
+        }
+
+        try {
+            new \DateTime((string) $subject);
+
+            return true;
+        } catch (Exception $e) {
+            return false;
+        }
+    }
+
     /**
      * Checks if the value is a valid email address.
      *