[antlr-interest] simple URL extractor

[Johannes Luber]

bace.spam at gmx.net wrote:
> 
> No, unfortunately I cannot discard the remaining text. I know the grammar looks fine - but does not work. I get the same inappropriate behavior if I set backtrack=true; at the beginning. Do you know how I can set the backtrack-option for only one rule in antlr v3:

Do you have rules which apply to the remaining text?

> rule
> (options {backtrack=true;})
>     : alter1 | ... | alterN
>     ;

Remove the () and the rule should be fine. I recommend though to add
memoize=true; to speed speed up the parser.

Best regards,
Johannes Luber