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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('/^[0-9]{1,10}(\.[0-9]{1,9})?$/', 0.0001)); var_dump(preg_match('/^[0-9]{1,10}(\.[0-9]{1,9})?$/', 0.00001));
Output for 5.3.13 - 7.2.0
int(1) int(0)