is Integer String by regular expression - Android java.util.regex

Android examples for java.util.regex:Number Pattern

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Description

is Integer String by regular expression

Demo Code

import android.net.Uri;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.style.StrikethroughSpan;
import android.util.Log;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.security.NoSuchAlgorithmException;
import java.text.DecimalFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main{

    public static boolean isIntegerString(String input) {
        Matcher mer = Pattern.compile("^[+-]?[0-9]+$").matcher(input);
        return mer.find();
    }//from ww  w.j ava 2s  .c  om

}

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