remove - in php numbers code example

Example 1: php remove numbers from string

$words = preg_replace('/[0-9]+/', '', $words);

Example 2: php remove all but numbers

// Original SOA
preg_replace('/[^0-9]/', '', '604-619-5135'); // Removes the dahses in 604-619-5135

preg_replace('/[^0-9]/', '', '7#sq7k*77dql'); // = 7777