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run code in 150+ php & hhvm versions
Bugs & Features
<?php function my_is_numeric($value) { return (preg_match ("/\A(-){0, 1}([0-9]+)((,|.)[0-9]{3, 3})*((,|.)[0-9]){0, 1}([0-9]*)\z/" ,$value) == 1); } echo my_is_numeric("1.59.59"); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0