prevent false positive on phpDoc look-like comments

Author: staabm

src/Rules/Playground/PhpdocCommentRule.php

@@ -2,6 +2,7 @@
 
 namespace PHPStan\Rules\Playground;
 
+use Nette\Utils\Strings;
 use PhpParser\Node;
 use PHPStan\Analyser\Scope;
 use PHPStan\Node\VirtualNode;
@@ -31,16 +32,16 @@ public function processNode(Node $node, Scope $scope): array
 
 		$errors = [];
 		foreach ($comments as $comment) {
-			if (!str_contains($comment->getText(), '@')) {
-				continue;
-			}
-
 			foreach (['/**', '//', '#'] as $startTag) {
 				if (str_starts_with($comment->getText(), $startTag)) {
 					continue 2;
 				}
 			}
 
+			if (!Strings::match($comment->getText(), '{(\s|^)@\w+(\s|$)}')) {
+				continue;
+			}
+
 			$errors[] =	RuleErrorBuilder::message('Comment contains PHPDoc tag but does not start with /** prefix.')
 				->identifier('phpstanPlayground.phpDoc')
 				->build();

tests/PHPStan/Rules/Playground/data/comments.php

@@ -35,4 +35,15 @@ public function getBar(): FooInterface
 
 	// this should not error: @var
 	# this should not error: @var
+
+	/*
+	 * comments which look like phpdoc should be ignored
+	 *
+	 * x@x.cz
+	 * 10 amps @ 1 volt
+	 */
+	public function ignoreComments(): FooInterface
+	{
+		return $this->foo;
+	}
 }