[antlr-interest] Lexer rule for strings with quoted strings within
Bart Kiers
bkiers at gmail.com
Thu Mar 25 06:50:41 PDT 2010
On Thu, Mar 25, 2010 at 2:01 PM, Anders Sollander <
Anders.Sollander at mathworks.de> wrote:
> Hi,
>
> I've been trying to write a lexer rule for strings with strings in them,
> like
>
> "This has a ""quoted string"" within"
>
> Is there a simple lexer rule for this, or do I need some kind of look
> ahead?
>
>
You could enable the `backtrack` option:
String
options { backtrack = true; }
: '"' ('""' | ~'"')+ '"'
;
Regards,
Bart.
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