CSV.parse and url regular expression

CatchingUrl

package myaccount

import scala.util.parsing.combinator.RegexParsers

object CatchingUrl extends App {

  val path = "/Users/twer/Downloads/Enquiries - 107718461.csv"
  val urlPat = """(.*)([ \t\r\n\f=]+(https?://)?([\d\w-]+\.)+[A-Za-z]+[\w- ./?%&=]*)(.*)""".r
  val lines = CSV.parse(path)
  lines.map {
    l => {
     val c = l.getOrElse("Comments", "")
      println
      println(c)
      println(urlPat.findFirstIn(c).isDefined)

    }
  }

}


object CSV extends RegexParsers {
  override val skipWhitespace = false // meaningful spaces in CSV

  private def COMMA = ","

  private def DQUOTE = "\""

  private def DQUOTE2 = "\"\"" ^^ {
    case _ => "\""
  }

  // combine 2 dquotes into 1
  private def CRLF = "\r\n" | "\n"

  private def TXT = "[^\",\r\n]".r

  private def SPACES = "[ \t]+".r

  private def file: Parser[List[List[String]]] = repsep(record, CRLF) <~ (CRLF ?)

  private def record: Parser[List[String]] = repsep(field, COMMA)

  private def field: Parser[String] = escaped | nonescaped

  private def escaped: Parser[String] = {
    ((SPACES ?) ~> DQUOTE ~> ((TXT | COMMA | CRLF | DQUOTE2) *) <~ DQUOTE <~ (SPACES ?)) ^^ {
      case ls => ls.mkString("")
    }
  }

  private def nonescaped: Parser[String] = (TXT *) ^^ {
    case ls => ls.mkString("")
  }

  private def parseIo(i: scala.io.BufferedSource): List[Map[String, String]] = parseString(i.getLines.mkString("\r\n"))

  private def parseString(s: String): List[Map[String, String]] = parseAll(file, s) match {
    case Success(alllines, _) =>
      val head = alllines.head
      alllines.drop(1) map {
        line =>
          var theMap = Map[String, String]()
          head.zipWithIndex.map {
            e =>
              val fieldName = e._1.replaceAll("\\s+", "")
              if (fieldName != "") theMap = theMap ++ Map(fieldName -> line(e._2))
          }
          theMap
      }
    case _ => List[Map[String, String]]()
  }


  def parse(path: String): List[Map[String, String]] = parseIo(scala.io.Source.fromFile(path))
}