Why there is a match here:
为什么这里有匹配:
scala> """\bdog\b""".r
res65: scala.util.matching.Regex = \bdog\b
scala> res65.findFirstIn(" The dog plays in the yard")
res66: Option[String] = Some(dog)
scala>Why there is a match here:
为什么这里有匹配:
scala> """\bdog\b""".r
res65: scala.util.matching.Regex = \bdog\b
scala> res65.findFirstIn(" The dog plays in the yard")
res66: Option[String] = Some(dog)
scala>