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

If you want to trim only commas and might have more than one on either end, you could do this:

str.dropWhile(_ == ',').reverse.dropWhile(_ == ',').reverse

The use of reverse here is because there is no dropRightWhile.

If you're looking at a single possible comma, stripPrefix and stripSuffix are the way to go, as indicated by Dirk.