Question

How to remove the leading and trailing commas from a string in Scala

Answer 1

var str = ",,,,Scala,,"
 
str = str.replaceAll("^,+|,+$", "")
 
println(str)  

 
 
/*
run:
 
Scala
  
*/

 

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Answer 2

var str = ",,,,Scala,,"
 
str = str.dropWhile(_ == ',').reverse.dropWhile(_ == ',').reverse
 
println(str)  

 
 
/*
run:
 
Scala
  
*/

 

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