use string similarity on extract_regulations eval

[seanmcguire12]

why

• target website has a typo, LLM corrects the typo when printing extracted data

what changed

• use string similarity to allow for small differences. we pass with/without the typo

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Latest commit: 73cc5ec92a2ca06d61696a96c6255badf6d192b6

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[kamath]

don't think this is necessary; would rather make extract promptable to avoid spelling errors