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<?php var_dump(preg_match('/^|\d{1,2}$/', "7"));
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.13 - 7.3.33, 7.4.1 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(1)
Output for 7.3.0 - 7.3.12, 7.4.0
int(2)

preferences:
134.53 ms | 401 KiB | 221 Q