So i have this kind of string:
val str = "\n Displaying names 1 - 20 of 273 in total"
And i want to return Int of the total number of names, in my example: 273
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2 Answers
scala> import scala.util.matching.Regex
import scala.util.matching.Regex
scala> val matcher = new Regex("\\d{1,3}")
matcher: scala.util.matching.Regex = \d{1,3}
scala> val string = "\n Displaying names 1 - 20 of 273 in total"
string: String =
"
Displaying names 1 - 20 of 273 in total"
scala> matcher.findAllMatchIn(string).toList.reverse.head.toString.toInt
res0: Int = 273
Obviously, adjust \\d{1,3} to suit your requirements where the lenght of numbers to match are between and including 1 and 3
Comments
This depends on the overall structure of the sentence, but should do the trick:
val str = "\n Displaying names 1 - 20 of 273 in total"
val matches = """of\s+(\d+)\s+in total""".r.findAllMatchIn(str)
matches.foreach { m =>
println(m.group(1).toInt)
}
