Re: help about pattern-matching

[Igor Medeiros <igorosbergster@...>]

Thanks a lot

Regards
Igor

2011/6/1 Dirk Laurie <dpl@sun.ac.za>

>
> How to represent the pattern ([a-z]|[A-Z]|_)+([a-z]|[A-Z]|[0-9]_)* in Lua's format pattern.
>
> I tried
>
> patt = '([a-z]|[A-Z]|_)+([a-z]|[A-Z]|[0-9]_)*'
>
> string.match( '_id', patt )
>

patt = "[%a_][%w_]*"
print (string.match("_id",patt))    --> _id
print (string.match("A_1.",patt))   --> A_1

I find Lua's patterns much more intuitive than variations of regex.

Dirk