How to remove Emoji expressions in .Net

Here is an example of what I tried but it went wrong I searched the internet for information on writing regular expressions and found a js one: const emojiRegex = /[\u{1F300}-\u{1F5FF}\u{1F900}-\u{1F9FF}\u{1F600}-\u{1F64F}\u{1F680}-\u{1F6FF}\u{2600}-...