问题
I have a Java servlet which accepts text from mobile devices. I need to check each character and check if it is a normal text or if it is an emoji before I insert it into my database. The problem I am having is how do I detect if a character is emoji?
回答1:
ok simple example defined private string emoji regex.
private final String regex = "([\\u20a0-\\u32ff\\ud83c\\udc00-\\ud83d\\udeff\\udbb9\\udce5-\\udbb9\\udcee])";
variable with test sentence
test = "josh stevens is the best 😂"
you can use a Matcher to find any group in the test string that matches the regex.
Matcher matchEmo = Pattern.compile(regex).matcher(test);
while (matchEmo.find()) {
System.out.println(matchEmo.group());
}
this will print the emoji which matches them in string. Hope this helps.
来源：https://stackoverflow.com/questions/30767631/check-if-emoji-character