你即將離開本站

並前往https://chortle.ccsu.edu/finiteautomata/Section07/sect07_14.html

Basic Regular Expressions: Zero or One

So X? matches an 'X' if there is one in the string, but otherwise matches ... case it means to optionally match one or zero characters from that range.

確定！ 回上一頁

查詢 「Java String matcher」的人也找了：

  1. java pattern matcher用法
    2.
  2. Java Matcher
    3.
  3. java pattern用法
    4.
  4. java matches用法
    5.
  5. Java Regex match
    6.
  6. java regex教學
    7.
  7. java matches數字
    8.
  8. java regex特殊符號
    9.