[TxMt] Syntax highlight - regexp questions

[Allan Odgaard]

On 8. Nov 2004, at 3:04, hadley wickham wrote:

> [...] I can use begin, end and swallow, but there isn't any way to 
> limit these to single line sequences.

Sort of there is, you can put the end pattern in a positive look-ahead 
assertion in the begin pattern.

> Are there any plans for including them in the future?

Yes.

> The second problem, which I haven't been able to overcome, is matching
> multiline sequences that end with (eg.) two newlines.  For example:
> begin = "\\*"; end = "\\n{2,}" doesn't match what I'd expect.  Is this
> a known problem?

Known in the sense that patterns are only matched against a single line 
at a time.

I haven't thought it through, but I think I will be able to remove this 
limitation in the future.