Im trying to use Java Matcher and using javas feature to match strings based on groups in a regex. pls see attached link. thx. – iamjoshua. Dec ... ... <看更多>

索引方法提供了有用的索引值，它们精确地显示了输入字符串中匹配的位置：. public int start() ：返回上一个匹配的起始索引。 public int start(int group) ... ... <看更多>

Capturing groups are automatically numbered when the regex is compiled. ... a Matcher object to find out the number of groups in the regex. ... <看更多>

* find matches with. *. * <p> This method causes this matcher to lose information. * about the groups of the last match ... ... <看更多>