On Tue, 1 Sep 2009 20:33:22 -0600 Mike Diehl <mdi...@diehlnet.com> wrote:
MD> Hi all, MD> I'm struggling with an RD grammar problem and am hoping you can help. MD> I've got some data that is embedded inside a file and I need to parse only the MD> embedded data and leave the "noise" untouched. MD> For example: MD> afaf asf af <DELIMITER> command command command </DELIMITER> asdf asd qer f a MD> I want to parse the command(s), remove the DELIMITERS and preserve everything MD> else. MD> In the past, I've looped over the file with a regex looking for the delimeters MD> and then running RD on the text inside. However, the cost of launching MD> several instances of the parser is very expensive, about 80% of runtime. MD> I'd like to be able to use one parser and have it "do" the entire file. MD> What I've tried amounts to this: MD> chunk: /.*?/ delimiter_start command(s) delimiter_end /.*?/ MD> However, I think the first regex is eating too much. MD> Any suggestions on how to do this? This seems reasonable. Can you show a full runnable example that fails? Ted
