Regex Crate using Unicode

[0cv]

Describe the feature

Many crates are using Regex such as aws-sdk-appconfig, aws-sdk-appconfigdata, aws-endpoint, aws-sdk-ses (and many more).

By default, Unicode tables are contained within the Regex crate, which increases notably the size of the compiled binary. It would be good if a flag could be passed to deactivate unicode tables when not needed, as mentioned in the Regex crate https://github.com/rust-lang/regex#crate-features

Use Case

Decrease binary size when unicode is not needed.

Proposed Solution

Add a feature flag at the aws-* crates level, that can change the features of the Regex crate.

Other Information

No response

Acknowledgements

• I may be able to implement this feature request
• This feature might incur a breaking change

A note for the community

Community Note

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[ysaito1001]

Hi @0cv, given the benefit, this is an interesting request. Thank you for submitting it.

[ysaito1001]

As part of smithy-lang/smithy-rs#3269, the regex crate has been replaced by the regex-lite crate. The primary motivation for the PR was to reduce client initialization time at runtime, but it should also help reduce the size of the complied binary, as noted in rust-lang/regex#961 (comment).

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