2020年10月18日 — In java regular expressions, every pattern can have groups. And groups are indexed like in array's elements. The first group index starts at 0 ...
2013年7月31日 — The first group ( m.group(0) ) always captures the whole area that is covered by your regular expression. In this case, it's the whole string.
Named Groups. We can use named groups in regular expressions. We can name a group then back reference groups using their names. We can reference group names in ...
2024年1月8日 — Regular expression groups can be one of two types: capturing and non-capturing. Capturing groups save the matched character sequence. Their ...
2016年6月8日 — Regexp are by default greedy (= they consume as much as possible), so the capture group will first contain everything within the two brackets, ...
Capturing groups are a way to treat multiple characters as a single unit. They are created by placing the characters to be grouped inside a set of parentheses.
