import java.util.ArrayList;import java.util.regex.Matcher;import java.util.regex.Pattern;public class test { public static void main(String[] args) {  getStrings(); //用正則表達(dá)式獲取指定字符串內(nèi)容中的指定內(nèi)容  System.out.println("********************");  replace(); //用正則表達(dá)式替換字符串內(nèi)容  System.out.println("********************");  strSplit(); //使用正則表達(dá)式切割字符串  System.out.println("********************");  strMatch(); //字符串匹配 } private static void strMatch() {  String phone = "13539770000";  //檢查phone是否是合格的手機(jī)號(hào)(標(biāo)準(zhǔn):1開(kāi)頭，第二位為3,5,8，后9位為任意數(shù)字)  System.out.println(phone + ":" + phone.matches("1[358][0-9]{9,9}")); //true     String str = "abcd12345efghijklmn";  //檢查str中間是否包含12345  System.out.println(str + ":" + str.matches("http://w+12345//w+")); //true  System.out.println(str + ":" + str.matches("http://w+123456//w+")); //false } private static void strSplit() {  String str = "asfasf.sdfsaf.sdfsdfas.asdfasfdasfd.wrqwrwqer.asfsafasf.safgfdgdsg";  String[] strs = str.split("http://.");  for (String s : strs){   System.out.println(s);  }   } private static void getStrings() {  String str = "rrwerqq84461376qqasfdasdfrrwerqq84461377qqasfdasdaa654645aafrrwerqq84461378qqasfdaa654646aaasdfrrwerqq84461379qqasfdasdfrrwerqq84461376qqasfdasdf";  Pattern p = Pattern.compile("qq(.*?)qq");  Matcher m = p.matcher(str);  ArrayList<String> strs = new ArrayList<String>();  while (m.find()) {   strs.add(m.group(1));     }   for (String s : strs){   System.out.println(s);  }   } private static void replace() {  String str = "asfas5fsaf5s4fs6af.sdaf.asf.wqre.qwr.fdsf.asf.asf.asf";  //將字符串中的.替換成_，因?yàn)?是特殊字符，所以要用/.表達(dá)，又因?yàn)?是特殊字符，所以要用//.來(lái)表達(dá).  str = str.replaceAll("http://.", "_");  System.out.println(str);   }}