8. The method of claim 7 , wherein executing each inputted string further comprises: generating an output string from a third handler, by the third handler, if the current input string to the parsing pipeline does not match regular expressions specified for handlers other than the third handler in the parser definition.
9. The method of claim 8 , wherein executing each inputted string further comprises: generating an output string from the parsing pipeline based at least in part on an output string generated by a last handler in the parsing pipeline.