Android examples for java.util.regex:Numeric Pattern
match Number by regex
//package com.java2s; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { private static final String V_NUMBER = "^([+-]?)\\d*\\.?\\d+$"; public static boolean Number(String value) { return match(V_NUMBER, value); }// w w w .j ava2s.co m private static boolean match(String regex, String str) { Pattern pattern = Pattern.compile(regex); Matcher matcher = pattern.matcher(str); return matcher.matches(); } }