A simple way to remove the default thousand separator from WordPress pagination. If you’re tired of seeing those pesky commas in your page numbers, this quick snippet will clean them up for you. Just drop it into your theme’s functions.php and enjoy cleaner pagination links!

remove-thousand-separator-wordpress-pagination.php

<?php

/**
 * Remove thousand separator from WordPress pagination
 * @author Faisal Ahammad
 */

/**
 * @param  $output
 * @return mixed
 */
function remove_thousand_separator_pagination( $output )
{
 $output = str_replace( ',', '', $output );

 return $output;
}

add_filter( 'paginate_links', 'remove_thousand_separator_pagination' );