Filter non English and Chinese string - Android Internationalization

Android examples for Internationalization:Chinese

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Description

Filter non English and Chinese string

Demo Code

import android.content.Context;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.text.style.ForegroundColorSpan;
import android.text.style.RelativeSizeSpan;
import android.widget.TextView;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

public class Main{

    public static String stringFilter(String str) {

        try {//from ww w  . jav  a  2  s. com
            String regEx = "[^a-zA-Z0-9\u4E00-\u9FA5]";
            Pattern p = Pattern.compile(regEx);
            Matcher m = p.matcher(str);
            return m.replaceAll("").trim();
        } catch (PatternSyntaxException exception) {

        }
        return "";
    }

}

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