add example to search by not author

[aczechowski]

Why:

Closes #22902

What's being changed (if available, include any code snippets, screenshots, or gifs):

Added an example showing how to search by -author with a brief explanation

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The table contains an overview of files in the content directory that have been changed in this pull request. It's provided to make it easy to review your changes on the staging site. Please note that changes to the data directory will not show up in this table.

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You may find it useful to copy this table into the pull request summary. There you can edit it to share links to important articles or changes and to give a high-level overview of how the changes in your pull request support the overall goals of the pull request.

Source	Preview	Production	What Changed
search-github/searching-on-github/searching-issues-and-pull-requests.md	fpt ghec ghes@ 3.7 3.6 3.5 3.4 3.3 ghae	fpt ghec ghes@ 3.7 3.6 3.5 3.4 3.3 ghae

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fpt: Free, Pro, Team
ghec: GitHub Enterprise Cloud
ghes: GitHub Enterprise Server
ghae: GitHub AE

[cmwilson21]

@aczechowski Thank you for opening a PR and linking it to your issue! ✨

I noticed this was still a draft PR. Is it ready for review? If so, let me know and I'll go ahead and triage it for review! 💖

[aczechowski]

Thanks @cmwilson21 - I just hadn't yet looked at the preview yet. I was waiting for the build but then signed off for the day before it finished. 😄 Looks good to me, but let me know if there are any needed or suggested changes.

[cmwilson21]

@aczechowski No prob, thanks for letting me know! I'll get this triaged for review!

Just a heads up, we are a bit a slow right now as many of our team members have taken time off for the holidays. Someone will have eyes on this soon 👍

[felicitymay]

Thanks for this suggestion and for following the style of the other examples ✨

Returning to the issue you opened, I read:

I was specifically trying to find out how to search pull requests for everything NOT from a specific author. I didn't find anything in this article already (or an existing issue) with the tip to add the dash before the qualifier. I don't think it warrants its own section of the article, just maybe a single example, like in the Search by author section, showing how to do the logical NOT search.

I'm wondering if this might be easier for people to find if we add the information to the tips at the start of the article (lines 22-26). This is where we remind people that they can quote multi-term keywords.

[felicitymay]

Hi @aczechowski

Thanks for the 👍🏻 on my suggestion. I've made a commit that adds the new tip and also makes a small formatting change to the new row that you added to the table.

I'm going to approve this change and merge this pull request to resolve the issue that you raised.

Following on from your change here, it looks as if the information on negation is missing from the Understanding the search syntax. I'll raise a new issue to add a new section to that article and label it as help wanted.

[felicitymay]

#23461 raised

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