Created
June 19, 2016 08:58
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ネストしたカッコの一番内側を取る
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| scala> val str = "ab$(cd$(ef)gh)ij" | |
| str: String = ab$(cd$(ef)gh)ij | |
| scala> new scala.util.matching.Regex("""\)([^\)]*?)\(\$""").findFirstIn(str.reverse).get.reverse | |
| res0: String = $(ef) |
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