wp-to-buffer-pro-strip-urls-from-content-excerpt.php

<?php
/**
* Plugin Name: WP to Buffer Pro: Remove URLs from Content and Excerpt Tags
* Plugin URI: http://www.wpzinc.com/
* Version: 0.0.1
* Author: WP Zinc
* Author URI: http://www.wpzinc.com
* Description: Remove URLs from Content and Excerpt Tags.
*/

add_filter( 'wp_to_buffer_pro_publish_get_excerpt', function( $excerpt, $post ) {
	
	return preg_replace( '/\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|$!:,.;]*[A-Z0-9+&@#\/%=~_|$]/i', '', $excerpt );

}, 10, 2 );

add_filter( 'wp_to_buffer_pro_publish_get_content', function( $content, $post, $is_gutenberg_post_content ) {

	return preg_replace( '/\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|$!:,.;]*[A-Z0-9+&@#\/%=~_|$]/i', '', $content );

}, 10, 3 );