Document maximum regex based claims transforms and related errors

[Jackson-Woods]

• Documents max of 20 regex based claims transforms on SAML and JWT doc
• Add line for customer-reported error code 501631, plus related error code 501632

[prmerger-automator]

@Jackson-Woods : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit 0e18d2d:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/identity-platform/jwt-claims-customization.md	✅Succeeded
docs/identity-platform/reference-error-codes.md	✅Succeeded
docs/identity-platform/saml-claims-customization.md	✅Succeeded

For more details, please refer to the build report.

[Copilot]

Pull Request Overview

This PR documents the maximum limit for regex-based claims transformations and adds error codes for related configuration issues. The changes improve user understanding of system limitations and error handling.

• Added documentation for the 20 regex replacement limit in both SAML and JWT claims transformation sections
• Included two new error codes (501631, 501632) for regex transformation failures

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
docs/identity-platform/saml-claims-customization.md	Added documentation for 20 regex replacement limit
docs/identity-platform/jwt-claims-customization.md	Added documentation for 20 regex replacement limit
docs/identity-platform/reference-error-codes.md	Added new error codes 501631 and 501632 for regex transformation issues

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[Copilot]

Corrected spelling of 'al5gorithm' to 'algorithm'.

Suggested change

	| AADSTS50165 | The token encrypting algorithm '{al5gorithm}' requested by the application isn't supported for this type of token. This indicates the application is misconfigured. |
	| AADSTS50165 | The token encrypting algorithm '{algorithm}' requested by the application isn't supported for this type of token. This indicates the application is misconfigured. |

[ttorble]

Hi @Jackson-Woods - This pull request was opened in the public repo. PMs should work in the private repo, per the Microsoft Docs contributor guide. We can keep this PR open for review and merge, but would you make future content updates in the private repo? Thank you!

@cilwerner and @OwenRichards1

Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[nickludwig]

Approving for the changes to the error code documentation. I do not own the claims transformation documentation, so additional approval is required.