<?php $values = array( 0, 1, '1', 1.00, 1.01, 2.33, 3.445, -3.45 ); foreach($values as $value) { $value = abs($value); $regexp = '/^[0-9]+\.[0-9][0-9]?$/'; preg_match($regexp, $value, $matches); var_dump($matches); }
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