## replace_regex(input_file_name, output_file_name, pattern, replacement) {#str_str_str_str} Replaces all occurrences of a specified character string pattern with a replacement string in the input ......output format is an image (BMP, EMF, EPS, GIF, JPEG, PNG, or WebP)...output format is an image (BMP, EMF, EPS, GIF, JPEG, PNG, or WebP)...