Function and usage of get_shortcode_atts_regex() in wordpress


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    The get_shortcode_atts_regex() function in WordPress is designed to retrieve the regular expression used to match shortcode attributes. This function is particularly useful when dealing with shortcodes in WordPress, which are special tags used in WordPress content to perform dynamic tasks.


    get_shortcode_atts_regex(): string


    • To retrieve the regular expression used for matching shortcode attributes.
    • This is part of WordPress's shortcode API, which enables the creation and handling of shortcodes within posts, pages, and widgets.

    Return Value:

    • Type: string
    • Description: It returns a string containing the regular expression used to identify shortcode attributes within a shortcode.

    Sample Usage:

    Let's say you are developing a custom shortcode and you need to parse its attributes. You can use get_shortcode_atts_regex() to get the regular expression for parsing the attributes.


    function my_custom_shortcode( $atts ) {
        $pattern = get_shortcode_atts_regex();
        // Use the pattern to match and extract attributes
        if ( preg_match_all( $pattern, $atts, $matches, PREG_SET_ORDER ) ) {
            foreach ( $matches as $match ) {
                // Process the $match to get attribute names and values
        // Further processing of the shortcode
    // Add the shortcode
    add_shortcode( 'my_shortcode', 'my_custom_shortcode' );

    In this example:

    • We define a custom shortcode function called my_custom_shortcode.
    • Inside this function, we use get_shortcode_atts_regex() to get the regular expression pattern.
    • We then use preg_match_all with this pattern to extract attributes from the $atts string.
    • After extracting attributes, we can process them as needed for the shortcode functionality.

    This function is part of the internal workings of WordPress and is more commonly used in advanced custom shortcode development, rather than in everyday WordPress usage.

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