- nunjavni-re pattern #!key cmeneprocedure
- The optional name for the javni-valsi generated by successfully matching pattern.
- the regular expression to try to match.
Generate a javni that matches the next character(s) in the parse input against the regular expression pattern. If pattern matches the next character(s) in the parse input, call mapti with the matched characters. Otherwise continue with namapti.
The character #\^ is prepended to pattern before compiling the regular expression.