[Mono-dev] [PATCH] MS/Mono incompatibility in System.Web.HttpRequest

[Eyal Alaluf]

Hi, Edward.

Is it not enough to use: "<[a-zA-Z\\!]" as the RegEx instead of "<[a-zA-Z\\!]+"?
It works much faster (since RegEx tries always for the biggest match possible) and it
does exactly the same thing.

Eyal.

On Wed, 15 Feb 2006, Edward C. Eisenbrey wrote:

> Date: Wed, 15 Feb 2006 13:44:50 -0500
> From: Edward C. Eisenbrey <nede at aliquant.com>
> To: mono-devel-list at lists.ximian.com
> Subject: [Mono-dev] [PATCH] MS/Mono incompatibility in System.Web.HttpRequest
> 
> Attached is the patch including all the changes mentioned.
>
>
> -----Original Message-----
> From: Joshua Kugler [mailto:joshua.kugler at uaf.edu]
> Sent: Monday, February 13, 2006 5:12 PM
> To: mono-devel-list at lists.ximian.com
> Subject: Re: [Mono-dev] MS/Mono incompatibility in
> System.Web.HttpRequest
>
> On Monday 13 February 2006 12:49, Luca wrote:
>> Il Mon, Feb 13, 2006 at 11:20:53AM -0900, Joshua Kugler ha scritto:
>>> On Monday 13 February 2006 11:12, Alex Chudnovsky wrote:
>>>> Edward C. Eisenbrey wrote:
>>>>> using System.Text.RegularExpressions;
>>>>>
>>>>> static bool CheckString (string val)
>>>>> {
>>>>> 	Regex regex = new Regex("<[a-zA-Z\\!]+");
>>>>> 	Match match = regex.Match(val);
>>>>> 	return match.Success;
>>>>> }
>>>>
>>>> Pardon my instrusion, but would it not be better performance wise
> to
>>>> create static instance of the regexp to avoid doing it every time
>>>> CheckString called? Ie:
>>>>
>>>> static Regex regex = new Regex("<[a-zA-Z\\!]+");
>>>>
>>>> static bool CheckString (string val)
>>>> {
>>>>
>>>> 	Match match = regex.Match(val);
>>>> 	return match.Success;
>>>> }
>>>
>>> Or at least declare it static in the sub (I assume you can do that)?
>>
>> Well, no :) The "sub" is a method, so the regex object must be a
> static
>> member of the class. Back on the original topic, if that codepath is
> realy
>> performance critical you can even compile the Regex:
>
> Ah! I missed the part about the method being part of a class.  Yes, a
> static
> class member would probably be best.
>
> j----- k-----
>
> --
> Joshua Kugler                 PGP Key: http://pgp.mit.edu/
> CDE System Administrator             ID 0xDB26D7CE
> http://distance.uaf.edu/
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>
>
>
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