Filter for image matching regular expression

refer ResponsiveImagesCGgh-190

wp-tevko-responsive-images.php

@@ -303,6 +303,7 @@ function tevkori_filter_content_images( $content ) {
 
 	// Pattern for matching all images with a `src` from the uploads directory.
 	$pattern = '|<img ([^>]+' . preg_quote( $path_to_upload_dir ) . '[^>]+)>|i';
+	$pattern = apply_filters( 'tevkori_search_images_pattern', $pattern );
 	preg_match_all( $pattern, $content, $matches );
 
 	$images = $matches[0];