Android examples for java.util.regex:Numeric Pattern
is String all Numeric by regex
import android.text.TextUtils; import java.io.UnsupportedEncodingException; import java.nio.charset.Charset; import java.text.DecimalFormat; import java.util.ArrayList; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main{ public static boolean isNumeric(String str) { Pattern pattern = Pattern.compile("[0-9]*"); Matcher isNum = pattern.matcher(str); if (!isNum.matches()) { return false; }// www. j a v a 2s . c o m return true; } }