Wordpress Filter text widget and shortcode | Allow Shortcode in text widget | Search replace in Text Widget

wp_text_widget_and_shortcode_tools.php

<?php
// ENQUEUE IF SHORTCODE IN TEXT WIDGET
function check_shortcode($text) {

  $pattern = get_shortcode_regex();

   if (   preg_match_all( '/'. $pattern .'/s', $text, $matches )
        && array_key_exists( 2, $matches )
        && in_array( 'myshortcode', $matches[2] ) )
    {
        // myshortcode is being used

        // enqueue my css and js
        /****** Enqueue styles & scripts  ******/
        wp_enqueue_style('css-mycss');
        wp_enqueue_script('js-myjs');

        // OPTIONAL ALLOW SHORTCODE TO WORK IN TEXT WIDGET
        add_filter( 'widget_text', 'shortcode_unautop');
        add_filter( 'widget_text', 'do_shortcode'); 

    }

  return $text;

}
add_filter('widget_text', 'check_shortcode');

// SEARCH & REPLACE FILTER IN TEXT WIDGET
function exam_plug_text_replace($text) {
 $search = array('welcome admin','today_data');
 $replace = array('welcome adam','9/15/2016');
 $text = str_replace($search, $replace, $text);
 return $text;
}
add_filter('widget_text', 'exam_plug_text_replace');


/* REMOVE P & BR TAGS INSIDE SHORTCODE */
function shortcodes_filter($content) {
    $block = join("|",array("shortcode-name1", "shortcode-name2"));
    $rep = preg_replace("/(<p>)?\[($block)(\s[^\]]+)?\](<\/p>|<br \/>)?/","[$2$3]",$content);
    $rep = preg_replace("/(<p>)?\[\/($block)](<\/p>|<br \/>)?/","[/$2]",$rep);
return $rep;
}
add_filter("the_content", "shortcodes_filter");
      
// WRAP SHORTCODE IN SHORTCODE LIKE WP IMAGE CAPTION.
function wrap_shortcodes( $atts, $content = null ) {
  
  /* REGEX IF NEED TO MATCH CERTAIN SHORTCODE */
  //$reg = get_shortcode_regex();
  //preg_match_all('/'.$reg.'/s',$content,$matches);
  //$nbrshortcode = count($matches[0]);
  
  //return '<span class="myclassname">' . $content . '</span>';
  return $nbrshortcode.'<div class="myclassname">' . do_shortcode($content) . '</div>';
}
add_shortcode( 'shortcode-name', 'wrap_shortcodes' );