Add default post content In WordPress content editor. Source: http://smartwebworker.com/293-default-content-in-wordpress-editor/

default-content-in-wordpress-editor.php

<?php
add_filter( 'default_content', 'add_default_content' );
function add_default_content( $content ) {
  global $post_type;
	switch ( $post_type ) {
		case 'post':
			$content = "<p>This will be the first paragraph of all new BLOGPOSTS. I am adding a default paragraph. You can add any HTML code or text.</p>";
			break;
		case 'page':
			$content = "<p>This will be the first paragraph of all new PAGES. I am adding a default paragraph. You can add any HTML code or text.</p>";
			break;
	}
	return $content;
}
?>

I need default content to be displayed like dis https://web1expert.com/questions/preg_replace-the-e-modifier-is-no-longer-supported-use-preg_replace_callback-instead/ were I't answer will be like dis----we can solve dis question issue