Java正则Possessive量词[X++]匹配-程序员生活网

Possesive量词[X++]匹配X一次或多次。

示例以下示例显示了Possesive量词的用法。

package com.yiibai;  import java.util.regex.Matcher; import java.util.regex.Pattern;  public class PossesiveQuantifierDemo {    private static final String REGEX = "T++";    private static final String INPUT = "abcdTatW";     public static void main(String[] args) {       // create a pattern       Pattern  pattern = Pattern.compile(REGEX);        // get a matcher object       Matcher matcher = pattern.matcher(INPUT);         while(matcher.find()) {          //Prints the start index of the match.          System.out.println("Match String start(): "+matcher.start());       }    } }

编译并运行上面的程序，这将产生以下结果 –