TRUEVAL()

  Short:
  ------
  TRUEVAL() Returns val of ALL numerics in a string

  Returns:
  --------
  <nValue> => all numerics value

  Syntax:
  -------
  TRUEVAL(cString)

  Description:
  ------------
  Removes all non-numeric characters from a <cString>,
  and then converts it to numeric.

  Examples:
  ---------
   cString := "SUPERFUNCTION Library version 3.00"

   cNumber := TRUEVAL(cString)

   // (returns 3.0)

  Source:
  -------
  S_TRUEVA.PRG