Question

How to check if a string contains only digits in Scala

Answer 1

object DigitCheck {
  def isDigitsOnly(s: String): Boolean = {
    s.matches("\\d+")
  }

  def main(args: Array[String]): Unit = {
    var s = "1908432"
    println(isDigitsOnly(s))
    
    s = "489W01"
    println(isDigitsOnly(s))
  }
}

 
 
/*
run:
   
true
false
 
*/

 

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