https://www.codewars.com/kata/54746b7ab2bc2868a0000acf/train/javahtml
//-- https://www.codewars.com/kata/54746b7ab2bc2868a0000acf/train/java import java.util.regex.Pattern; public class Mod{ public static Pattern mod4 = Pattern.compile(".*\\[[+-]?0*(\\d*([13579]{1}[26]{1}|[02468]{1}[048]{1})|0|4|8)\\].*"); }
To advance:java
http://www.cnblogs.com/China3S/archive/2013/11/30/3451971.htmlcode
http://www.cnblogs.com/bvbook/archive/2010/11/03/1867775.htmlhtm