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r? 缩略语
原标题:r? . the meaning of in scala
  • 时间:2011-11-18 20:51:56
  •  标签:
  • regex
  • scala

我的方案很少。

var lineArray = lines.split("
?
")

此前

var lineArray = lines.split("
") 

which did not work. I found the answer obviously (as in the correction I need to make) but I can t for the life of me find why this happened.

The file it was doing this for was a csv, shoot, plucky darn, beans

问题回答

This has nothing to do with scala. The is a regular expression question. ? in regex means match zero or one occurrences. So this matches or .

This is looking for either or which will identify line breaks on windows machines as well as non windows machines.





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