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run code in 300+ PHP versions simultaneously
<?php $variable = "abcxyz ABCXYZÅåÄäÖö\t\r\n*0123456789"; var_dump(preg_match('/^[a-z A-Z\Å\å\Ä\ä\Ö\ö\s*\d]+$/u', $variable));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
int(1)
preferences:
113.63 ms | 402 KiB | 123 Q