html-shortcodes.php

<?php
/**
 * @package HTML Shortcodes
 * @version 1.0
 */
/*
Plugin Name: Rational SHortcodes
Author: Osk
*/


add_filter( 'the_content', function( $content ) {
    echo "titania\n";
	$matcher = '/((?:<div|(?<!^)\G)\h*(?:data-shortcode)(?:="([^"]*)")*(.*?\/>))/';
	$regexp = '/(?:<div|(?<!^)\G)\h*(data-[\w-]+)(?:="([^"]*)")*(?=.*?\/>)/';
	$match = array();
	$match2 = array();
	$matches = array();
	preg_match_all( $regexp , $content, $match );
	preg_match( $matcher , $content, $match2 );
 	var_dump($match2);
	if ( ! empty( $match ) ) {
		$matches = array_combine( $match[1], $match[2]);
	}
	if ( ! empty( $matches ) ) {
// 		var_dump( $match[0] ) ;
		var_dump( $matches ) ;
	}

	return $content;
// Before do_shortcode
}, 10 );