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<?php $arr = ["22.22", "00.44", "44", "55.00", "0.50", "00.5", "0.5"]; foreach($arr as $val){ echo $val . " "; var_export(preg_match("/^\d{2}\.\d{2}$|^\d{2}$/", $val)); echo "\n"; }
Output for 7.1.25 - 7.1.28, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
22.22 1 00.44 1 44 1 55.00 1 0.50 0 00.5 0 0.5 0
preferences:
118.15 ms | 403 KiB | 166 Q