how to filter out specific char(unicode like U+1F603 ) in a string in java

Question

I'd like to filter out some char who's unicode somekind like U+1F603 with java lauguage. They are all kinds of information in the string,only filter the specific char.How?Can any one help? Thanks.

Answer 1

U+1F603 character can be written as \uD83D\uDE03 in Java.

If you have your text in String yourString variable, following code should remove occurrences of the special character.

yourString.replace("\uD83D\uDE03", "");