parser combinators - Scala rep separator for specific area of text -

imaging i've got following:

--open client: enter nick age 28 rosewell, usa  client: enter maria age 19 cleveland, usa --open-- 

i need result close following: list(list(nick, age 28, rosewell), list(maria, age19, cleveland))

it can many clients inside open body can imagine, list can have size, it's not fixed.

i trying make of following:

repsep(".*".r , "client: enter" + lineseparator) 

in case can parse line list((client: enter)), how make sure work same piece of parse text?

i guess using regexparsers (just note skips white spaces default). i'm assuming ends "\n\n--open--" instead (if can change otherwise i'll show how modify repsep parser). change see text has following structure:

• each client separated text "client: enter"
• then need parse each line after non-empty, separated carriage return
• if have empty line, parse 2 line separators , repeat step 2 if possible otherwise means reach end of input

---

implementation of parser straightforward:

object clientparser extends regexparsers {    override def skipwhitespace = false    def lineseparator = "\n"   def root = "--open" ~> lineseparator ~> rep(client) <~ "--open--"   def client = ("client: enter" ~ lineseparator) ~> repsep(".+".r, lineseparator) <~ rep(lineseparator) } 

running with:

--open client: enter nick age 28 rosewell; usa  client: enter maria age 19 cleveland; usa  --open-- 

you get:

[12.9] parsed: list(list(nick, age 28, rosewell; usa), list(maria, age 19, cleveland; usa))