On Thu, Aug 10, 2017 at 11:42 AM, alister via Python-list
wrote:
> On Thu, 10 Aug 2017 09:38:49 -0400, Larry Martell wrote:
>
>> On Wed, Aug 9, 2017 at 8:33 PM, Cameron Simpson wrote:
>>> On 09Aug2017 10:46, Jon Ribbens wrote:
On 2017-08-09, Cameron Simpson wrote:
>
> On 08Aug
On Thu, 10 Aug 2017 09:38:49 -0400, Larry Martell wrote:
> On Wed, Aug 9, 2017 at 8:33 PM, Cameron Simpson wrote:
>> On 09Aug2017 10:46, Jon Ribbens wrote:
>>>
>>> On 2017-08-09, Cameron Simpson wrote:
On 08Aug2017 17:31, Jon Ribbens wrote:
>
> ... but bear in mind, there hav
On Wed, Aug 9, 2017 at 8:33 PM, Cameron Simpson wrote:
> On 09Aug2017 10:46, Jon Ribbens wrote:
>>
>> On 2017-08-09, Cameron Simpson wrote:
>>>
>>> On 08Aug2017 17:31, Jon Ribbens wrote:
... but bear in mind, there have been ways of doing denial-of-service
attacks with valid-but-
On 2017-08-10, Cameron Simpson wrote:
> On 09Aug2017 10:46, Jon Ribbens wrote:
>>On 2017-08-09, Cameron Simpson wrote:
>>> On 08Aug2017 17:31, Jon Ribbens wrote:
... but bear in mind, there have been ways of doing denial-of-service
attacks with valid-but-nasty regexps in the past, and I
On 09Aug2017 10:46, Jon Ribbens wrote:
On 2017-08-09, Cameron Simpson wrote:
On 08Aug2017 17:31, Jon Ribbens wrote:
... but bear in mind, there have been ways of doing denial-of-service
attacks with valid-but-nasty regexps in the past, and I wouldn't want
to rely on there not being any now.
On Wed, Aug 9, 2017 at 6:13 AM, Peter Heitzer
wrote:
> Larry Martell wrote:
>>On Tue, Aug 8, 2017 at 12:51 PM, Chris Angelico wrote:
>>> On Wed, Aug 9, 2017 at 2:37 AM, Larry Martell
>>> wrote:
Anyone have any code or know of any packages for validating a regexp?
I have an app t
On Tuesday, August 8, 2017 at 11:38:34 AM UTC-5, larry@gmail.com wrote:
> Anyone have any code or know of any packages for validating a regexp?
>
> I have an app that allows users to enter regexps for db searching.
> When a user enters an invalid one (e.g. 'A|B|' is one I just saw) it
> causes
On 2017-08-09, Cameron Simpson wrote:
> On 08Aug2017 17:31, Jon Ribbens wrote:
>>On 2017-08-08, Chris Angelico wrote:
>>> On Wed, Aug 9, 2017 at 2:57 AM, Larry Martell
>>> wrote:
Yeah, it does not throw for 'A|B|' - but mysql chokes on it with empty
subexpression for regexp' I'd like
Larry Martell wrote:
>On Tue, Aug 8, 2017 at 12:51 PM, Chris Angelico wrote:
>> On Wed, Aug 9, 2017 at 2:37 AM, Larry Martell
>> wrote:
>>> Anyone have any code or know of any packages for validating a regexp?
>>>
>>> I have an app that allows users to enter regexps for db searching.
>>> When a
On 08Aug2017 17:31, Jon Ribbens wrote:
On 2017-08-08, Chris Angelico wrote:
On Wed, Aug 9, 2017 at 2:57 AM, Larry Martell wrote:
Yeah, it does not throw for 'A|B|' - but mysql chokes on it with empty
subexpression for regexp' I'd like to flag it before it gets to SQL.
Okay, so your definit
On 2017-08-08, Chris Angelico wrote:
> On Wed, Aug 9, 2017 at 2:57 AM, Larry Martell wrote:
>> Yeah, it does not throw for 'A|B|' - but mysql chokes on it with empty
>> subexpression for regexp' I'd like to flag it before it gets to SQL.
>
> Okay, so your definition of validity is "what MySQL wil
On Wed, Aug 9, 2017 at 2:57 AM, Larry Martell wrote:
> On Tue, Aug 8, 2017 at 12:51 PM, Chris Angelico wrote:
>> On Wed, Aug 9, 2017 at 2:37 AM, Larry Martell
>> wrote:
>>> Anyone have any code or know of any packages for validating a regexp?
>>>
>>> I have an app that allows users to enter reg
On Tue, Aug 8, 2017 at 12:57 PM, Larry Martell wrote:
> On Tue, Aug 8, 2017 at 12:51 PM, Chris Angelico wrote:
>> On Wed, Aug 9, 2017 at 2:37 AM, Larry Martell
>> wrote:
>>> Anyone have any code or know of any packages for validating a regexp?
>>>
>>> I have an app that allows users to enter re
On Wed, Aug 9, 2017 at 2:37 AM, Larry Martell wrote:
> Anyone have any code or know of any packages for validating a regexp?
>
> I have an app that allows users to enter regexps for db searching.
> When a user enters an invalid one (e.g. 'A|B|' is one I just saw) it
> causes downstream issues. I'd
On Tue, Aug 8, 2017 at 12:51 PM, Chris Angelico wrote:
> On Wed, Aug 9, 2017 at 2:37 AM, Larry Martell wrote:
>> Anyone have any code or know of any packages for validating a regexp?
>>
>> I have an app that allows users to enter regexps for db searching.
>> When a user enters an invalid one (e.g
> I have an app that allows users to enter regexps for db searching.
> When a user enters an invalid one (e.g. 'A|B|' is one I just saw) it
> causes downstream issues. I'd like to flag it at entry time.
Just call re.compile(...) on it and catch any exceptions, modulo
caveats about operating with u
On 2017-08-08 17:37, Larry Martell wrote:
Anyone have any code or know of any packages for validating a regexp?
I have an app that allows users to enter regexps for db searching.
When a user enters an invalid one (e.g. 'A|B|' is one I just saw) it
causes downstream issues. I'd like to flag it at
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