Fatal error: Uncaught Error: Class "pvc\regex\Regex" not found in I:\www\pvcDisplay\vendor\pvc\regex\src\php_variable_name\RegexPhpVariableName.php:13 Stack trace: #0 {main} thrown in I:\www\pvcDisplay\vendor\pvc\regex\src\php_variable_name\RegexPhpVariableName.php on line 13