Get Chinese sub String Length - Android Internationalization

Android examples for Internationalization:Chinese

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Description

Get Chinese sub String Length

Demo Code

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main{

    public static int subStringLength(String str, int maxL) {
        int currentIndex = 0;
        int valueLength = 0;
        String chinese = "[\u0391-\uFFE5]";
        for (int i = 0; i < str.length(); i++) {
            String temp = str.substring(i, i + 1);
            if (temp.matches(chinese)) {
                valueLength += 2;/*from ww w .jav  a 2s . c  o  m*/
            } else {
                valueLength += 1;
            }
            if (valueLength >= maxL) {
                currentIndex = i;
                break;
            }
        }
        return currentIndex;
    }

}

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