Trimming strings in Scala

Question

How do I trim the starting and ending character of a string in Scala

For inputs such as \",hello\" or \"hello,\", I need the output as

Answer 1

Someone requested a regex-version, which would be something like this:

val result = " , ,, hello, ,,".replaceAll("""[,\s]+(|.*[^,\s])[,\s]+""", "'$1'")

Result is: result: String = hello

The drawback with regexes (not just in this case, but always), is that it is quite hard to read for someone who is not already intimately familiar with the syntax. The code is nice and concise, though.