How to remove all number from a string php

For Western Arabic numbers (0-9):

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

For all numerals including Western Arabic (e.g. Indian):

$words = '१३३७';
$words = preg_replace('/\d+/u', '', $words);
var_dump($words); // string(0) ""

\d+ matches multiple numerals.
The modifier /u enables unicode string treatment. This modifier is important, otherwise the numerals would not match.

Example: PHP

<?php
$words = '१३३७ 11544 I love';
$words = preg_replace('/\d+/u', '', $words);
var_dump($words);
?>

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PHP String Tutorial

Reffered: https://stackoverflow.com/questions/14236148/how-to-remove-all-numbers-from-string