That doesn't exist, if you are able to find a plugin, or create one. You could make a quicktext, a small one, lets say, it's
q, so you do type
/q hello. For more information on quicktexts, please read:
http://msgplus.net/help_tutorials.php?tut=quick-text
When making your quicktext, your text will be (!P). Example is, you make all of your settings, but instead of putting your text in the quicktext, you use (!P), so when you use
/q, it will transform it to your text