diff --git a/app/Rules/NoBlankCharacters.php b/app/Rules/NoBlankCharacters.php
index c9eeadb7e..c938fae13 100644
--- a/app/Rules/NoBlankCharacters.php
+++ b/app/Rules/NoBlankCharacters.php
@@ -9,23 +9,17 @@
 
 final readonly class NoBlankCharacters implements ValidationRule
 {
-    private const string BLANK_CHARACTERS_PATTERN = '/^[\s\x{2005}\x{2006}\x{2007}\x{2008}\x{2009}\x{200A}\x{2028}\x{205F}\x{3000}]*$/u';
-
-    private const string FORMAT_CHARACTERS_PATTERN = '/\p{Cf}/u';
-
     /**
-     * Validate the value of the given attribute.
+     * Run the validation rule.
      *
-     * @param  string  $attribute  The name of the attribute being validated
-     * @param  mixed  $value  The value of the attribute
      * @param  Closure(string): \Illuminate\Translation\PotentiallyTranslatedString  $fail
      */
     public function validate(string $attribute, mixed $value, Closure $fail): void
     {
         $value = type($value)->asString();
 
-        if (preg_match(self::BLANK_CHARACTERS_PATTERN, $value) || preg_match(self::FORMAT_CHARACTERS_PATTERN, $value)) {
-            $fail('The :attribute field cannot be empty or contain only blank characters.');
+        if (preg_match("/\p{Cf}/u", $value)) {
+            $fail('The :attribute field cannot contain blank characters.');
         }
     }
 }
diff --git a/tests/Unit/Rules/NoBlankCharactersTest.php b/tests/Unit/Rules/NoBlankCharactersTest.php
index a58722849..2228ce750 100644
--- a/tests/Unit/Rules/NoBlankCharactersTest.php
+++ b/tests/Unit/Rules/NoBlankCharactersTest.php
@@ -4,18 +4,14 @@
 
 use App\Rules\NoBlankCharacters;
 
-test('validation fails for strings containing blank characters', function (string $name) {
+test('with blank characters', function (string $name) {
     $rule = new NoBlankCharacters;
 
-    $fail = function (string $errorMessage) {
-        // Capture the error message
-        $this->errorMessage = $errorMessage;
-    };
+    $fail = fn (string $errorMessage) => $this->fail($errorMessage);
 
-    // Validate the input
     $rule->validate('name', $name, $fail);
 
-    expect(isset($this->errorMessage))->toBeTrue();
+    expect(true)->toBeFalse();
 })->with([
     "\u{200E}",
     "\u{200E}\u{200E}",
@@ -26,18 +22,7 @@
     "测试\u{200E}",
     "ⓣⓔⓢⓣ\u{200E}",
     '  ',
-    "\u{2005}",
-    "\u{2006}",
-    "\u{2007}",
-    "\u{2008}",
-    "\u{2009}",
-    "\u{200A}",
-    "\u{2028}",
-    "\u{205F}",
-    "\u{3000}",
-    " \u{2005} ",
-    "\u{2007}\u{2008}\u{2009}",
-]);
+])->fails();
 
 test('without blank characters', function (string $name) {
     $rule = new NoBlankCharacters;