apply_filters( 'sanitize_file_name_chars', string[] $special_chars, string $filename_raw )

2043	 *2044	 * @since 2.8.02045	 *2046	 * @param string[] $special_chars Array of characters to remove.2047	 * @param string   $filename_raw  The original filename to be sanitized.2048	 */2049	$special_chars = apply_filters( 'sanitize_file_name_chars', $special_chars, $filename_raw );2050 2051	$filename = str_replace( $special_chars, '', $filename );2052	$filename = str_replace( array( '%20', '+' ), '-', $filename );2053	$filename = preg_replace( '/\.{2,}/', '.', $filename );2054	$filename = preg_replace( '/[\r\n\t -]+/', '-', $filename );2055	$filename = trim( $filename, '.-_' );