Question

How to check if a string contains only English letters in Scala

Answer 1

import scala.util.matching.Regex

def isOnlyEnglishLetters(s: String): Boolean = {
  val pattern: Regex = "^[a-zA-Z]+$".r
  
  pattern.matches(s)
}

val s1 = "Scala"
println(isOnlyEnglishLetters(s1))

val s2 = "Scalaスカラ座"
println(isOnlyEnglishLetters(s2))


 
 
/*
run:
   
true
false
 
*/

 

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