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@thi.ng/checks

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Collection of 70+ type, feature & value checks

github.com/thi-ng/umbrella/tree/develop/packages/checks

thi-ng/umbrella

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export const isAlpha = (x) => /^[a-z]+$/i.test(x); export const isAlphaNum = (x) => /^[a-z0-9]+$/i.test(x); export const isNumeric = (x) => /^[0-9]+$/.test(x);