* Re: [Caml-list] lazyness, exceptions?, ocaml syntax rule-of-thumbs
[not found] <200209261651.g8QGp5i13403@waco.inria.fr>
@ 2002-09-27 7:50 ` Kontra, Gergely
2002-09-27 10:10 ` [Caml-list] " Daniel de Rauglaudre
0 siblings, 1 reply; 2+ messages in thread
From: Kontra, Gergely @ 2002-09-27 7:50 UTC (permalink / raw)
To: Bruno.Verlyck; +Cc: caml-list
> I cannot find a function, which checks, whether a string can match
> a regexp, and return true or false. Search_forward, again, I think
> should be return an option, and not trowing an exception.
>Have a look at pcre
>(http://www.ai.univie.ac.at/~markus/home/ocaml_sources.html)
Well, Str has almost, what I need, actually I can write the match
function, but I hoped there is a function, which returns a boolean to
indicate, whether a string contains a regexp...
Well the str library is not so intuitive... perhaps I should download
pcre.
> But the thing most of the time I was spending with was the actual
> ocaml syntax. I cannot feel the precedences, where to put ;-s and
> ;;-s.
>If you're annoyed by the not-enough-parenthesized syntax of OCaml, you
>could try the revised syntax (see camlp4). There are pretty-printers
>that can convert from one syntax in the other.
Wow, so I can even write my own syntax!
Has anybody an SML syntax description? Well, I must dive into a correct
syntax description.
>Nothing about the algorithm; i/o is imperative, but i/o is
>imperative, isn't it ? Perhaps Str.last_chars will raise an exception
>if what is less than 5 chars long ?
I guess trouble. That's why I was looking for a RE solution...
+-[Kontra, Gergely @ Budapest University of Technology and Economics]-+
| Email: kgergely@mcl.hu, kgergely@turul.eet.bme.hu |
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