_get_wptexturize_split_regex

Retrieve the combined regular expression for HTML and shortcodes.

Description

(string) _get_wptexturize_split_regex( (string) $shortcode_regex = '' );

Returns (string)

The regular expression

Parameters (1)

0. $shortcode_regex — Optional. (string) => '': The result from _get_wptexturize_shortcode_regex(…). Optional.

Usage

if ( !function_exists( '_get_wptexturize_split_regex' ) ) { 
    require_once ABSPATH . WPINC . '/formatting.php'; 
} 
  
// The result from _get_wptexturize_shortcode_regex().  Optional. 
$shortcode_regex = ''; 
  
// NOTICE! Understand what this does before running. 
$result = _get_wptexturize_split_regex($shortcode_regex);

Defined (1)

The function is defined in the following location(s).

/wp-includes/formatting.php

function _get_wptexturize_split_regex( $shortcode_regex = '' ) { 
    static $html_regex; 
 
    if ( ! isset( $html_regex ) ) { 
        $comment_regex = 
              '!'           // Start of comment, after the <. 
            . '(?:'         // Unroll the loop: Consume everything until --> is found. 
            .     '-(?!->)' // Dash not followed by end of comment. 
            .     '[^\-]*+' // Consume non-dashes. 
            . ')*+'         // Loop possessively. 
            . '(?:-->)?';   // End of comment. If not found, match all input. 
 
        $html_regex =             // Needs replaced with wp_html_split() per Shortcode API Roadmap. 
              '<'                // Find start of element. 
            . '(?(?=!--)'        // Is this a comment? 
            .     $comment_regex // Find end of comment. 
            . '|' 
            .     '[^>]*>?'      // Find end of element. If not found, match all input. 
            . ')'; 
    } 
 
    if ( empty( $shortcode_regex ) ) { 
        $regex = '/(' . $html_regex . ')/'; 
    } else { 
        $regex = '/(' . $html_regex . '|' . $shortcode_regex . ')/'; 
    } 
 
    return $regex; 
}