Show error on unescaped () in ignoreErrors

src/Analyser/IgnoredErrorHelper.php

@@ -97,7 +97,7 @@ public function initialize(): IgnoredErrorHelperResult
 					}
 
 					if ($validationResult->areAllErrorsIgnored()) {
-						$errors[] = sprintf("Ignored error %s has an unescaped '||' which leads to ignoring all errors. Use '\\|\\|' instead.", $ignoreMessage);
+						$errors[] = sprintf("Ignored error %s has an unescaped '%s' which leads to ignoring all errors. Use '%s' instead.", $ignoreMessage, $validationResult->getWrongSequence(), $validationResult->getEscapedWrongSequence());
 					}
 				} else {
 					$otherIgnoreErrors[] = [
@@ -117,7 +117,7 @@ public function initialize(): IgnoredErrorHelperResult
 					}
 
 					if ($validationResult->areAllErrorsIgnored()) {
-						$errors[] = sprintf("Ignored error %s has an unescaped '||' which leads to ignoring all errors. Use '\\|\\|' instead.", $ignoreMessage);
+						$errors[] = sprintf("Ignored error %s has an unescaped '%s' which leads to ignoring all errors. Use '%s' instead.", $ignoreMessage, $validationResult->getWrongSequence(), $validationResult->getEscapedWrongSequence());
 					}
 				}
 			} catch (\Nette\Utils\RegexpException $e) {

src/Command/IgnoredRegexValidator.php

@@ -35,7 +35,13 @@ public function validate(string $regex): IgnoredRegexValidatorResult
 			$ast = $this->parser->parse($regex);
 		} catch (\Hoa\Exception\Exception $e) {
 			if (strpos($e->getMessage(), 'Unexpected token "|" (alternation) at line 1') === 0) {
-				return new IgnoredRegexValidatorResult([], false, true);
+				return new IgnoredRegexValidatorResult([], false, true, '||', '\|\|');
+			}
+			if (
+				strpos($regex, '()') !== false
+				&& strpos($e->getMessage(), 'Unexpected token ")" (_capturing) at line 1') === 0
+			) {
+				return new IgnoredRegexValidatorResult([], false, true, '()', '\(\)');
 			}
 			return new IgnoredRegexValidatorResult([], false, false);
 		}

src/Command/IgnoredRegexValidatorResult.php

@@ -12,6 +12,10 @@ class IgnoredRegexValidatorResult
 
 	private bool $allErrorsIgnored;
 
+	private ?string $wrongSequence;
+
+	private ?string $escapedWrongSequence;
+
 	/**
 	 * @param array<string, string> $ignoredTypes
 	 * @param bool $anchorsInTheMiddle
@@ -20,12 +24,16 @@ class IgnoredRegexValidatorResult
 	public function __construct(
 		array $ignoredTypes,
 		bool $anchorsInTheMiddle,
-		bool $allErrorsIgnored
+		bool $allErrorsIgnored,
+		?string $wrongSequence = null,
+		?string $escapedWrongSequence = null
 	)
 	{
 		$this->ignoredTypes = $ignoredTypes;
 		$this->anchorsInTheMiddle = $anchorsInTheMiddle;
 		$this->allErrorsIgnored = $allErrorsIgnored;
+		$this->wrongSequence = $wrongSequence;
+		$this->escapedWrongSequence = $escapedWrongSequence;
 	}
 
 	/**
@@ -46,4 +54,14 @@ public function areAllErrorsIgnored(): bool
 		return $this->allErrorsIgnored;
 	}
 
+	public function getWrongSequence(): ?string
+	{
+		return $this->wrongSequence;
+	}
+
+	public function getEscapedWrongSequence(): ?string
+	{
+		return $this->escapedWrongSequence;
+	}
+
 }

tests/PHPStan/Command/IgnoredRegexValidatorTest.php

@@ -104,6 +104,12 @@ public function dataValidate(): array
 				false,
 				true,
 			],
+			[
+				'#Method PragmaRX\Notified\Data\Repositories\Notified::firstOrCreateByEvent() should return PragmaRX\Notified\Data\Models\Notified but returns Illuminate\Database\Eloquent\Model|null#',
+				[],
+				false,
+				true,
+			],
 		];
 	}