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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.1 Subject: Re: Pattern bug on (a*|)~^(*b) Content-Language: en-US, en-AU, fr To: Peter Stephenson , zsh-workers@zsh.org References: <599e3c13-53a5-1823-6d0d-68dd722967d9@crans.org> <8c33aa3a-fde5-45ce-8f22-c817c6fa4a9a@crans.org> <20230728064106.ufcfaqondhn3wge7@chazelas.org> <16673694-5299-cf1c-8553-c3d703d942d0@crans.org> <2034111748.1610065.1690896654728@mail.virginmedia.com> From: Johan Grande In-Reply-To: <2034111748.1610065.1690896654728@mail.virginmedia.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Seq: 52019 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: Le 01/08/2023 à 15:30, Peter Stephenson a écrit : > On 01/08/2023 14:19 Johan Grande wrote: >> So I'm thinking I could filter for user-provided patterns that contain >> '|' and don't put them in the mega-pattern but filter for them >> post-globbing. Does that sound like a sound solution to you? > > Yes, I think that would be OK. [...] Actually, an AND can be expressed as a combination of ORs and NOTs. So I can build patterns such as ^(^(pat1)|^(pat2)) and never introduce ~. (With pat1 and pat2 arbitrary.) Basis tests show it working. Can you see any issue I might run into if I implement my queries like this? -- Johan