[Solved] Extract text using regular expression between keywords

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You haven’t described your requirements very well. It looks like a simple substring formula is all you need.

val str = "[CS]v1|<bunch of alpha numberic text>[CE]"
val extract = str.substring(7, str.length-4)

But if you really want to use regex this might do.

val str = "[CS]v1|<bunch of alpha numberic text>[CE]"
val extractor = "[^|]+\\|(.*)\\[..]".r
val extract = str match {
  case extractor(s) => s
  case _ => ""
}

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solved Extract text using regular expression between keywords