wp_spaces_regexp │ filter-hook │ WP 4.0.0

Filters the regexp for common whitespace characters.

This string is substituted for the \s sequence as needed in regular expressions. For websites not written in English, different characters may represent whitespace. For websites not encoded in UTF-8, the 0xC2 0xA0 sequence may not be in use.

Usage

add_filter( 'wp_spaces_regexp', 'wp_kama_spaces_regexp_filter' );

/**
 * Function for `wp_spaces_regexp` filter-hook.
 * 
 * @param string $spaces Regexp pattern for matching common whitespace characters.
 *
 * @return string
 */
function wp_kama_spaces_regexp_filter( $spaces ){

	// filter...
	return $spaces;
}

$spaces(string)

Regexp pattern for matching common whitespace characters.

Changelog

Where the hook is called

$spaces = apply_filters( 'wp_spaces_regexp', '[\r\n\t ]|\xC2\xA0| ' );

Where the hook is used in WordPress