Question

scala正则表达式匹配某个字符串并在前面加空格吗

Answer 1

配置下划线/\_/匹配非下划线/[^\_]/

Answer 2

scala> """\d""".r.replaceAllIn("hello12", " $0")
res1: String = hello 1 2

scala> """\d""".r.replaceAllIn("A12345B", " $0")
res2: String = A 1 2 3 4 5B

作者：匿名用户
链接：https://www.zhihu.com/question/52366089/answer/130206941
来源：知乎
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