Simple function that cleans emoji's from a string using Java's String replaceAll() function. Previous to this the solution used was => https://gist.github.com/GiancarloGomez/0e76348c89df8f3b72fddfe7843cbceb (http://www.giancarlogomez.com/2016/09/emoji-support-with-coldfusion-and-mysql.html)

cleanEmojiWithColdFusion.cfc

public string function cleanEmojiWithColdFusion(required string value){
	// Match Emoticons
	var regexEmoticons = "[\x{1F600}-\x{1F64F}]";
	// Match Miscellaneous Symbols and Pictographs
	var regexSymbols = "[\x{1F300}-\x{1F5FF}]";
	// Match Transport And Map Symbols
	var regexTransport = "[\x{1F680}-\x{1F6FF}]";
	// Return cleaned and trimmed string
	return arguments.value
		.replaceAll(regexEmoticons,"")
		.replaceAll(regexSymbols,"")
		.replaceAll(regexTransport,"")
		.trim();
}