isemail

Validate an email address according to RFCs 5321, 5322, and others

v3.2.0 URL: https://unpkg.com/isemail@3.2.0/lib/index.js

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isemail validation check checking verification email address email address

kind-of

Get the native type of a value.

v6.0.3 URL: https://unpkg.com/kind-of@6.0.3/index.js

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arguments array boolean check date function is is-type is-type-of kind kind-of number object of regexp string test type type-of typeof types

is-number

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

v7.0.0 URL: https://unpkg.com/is-number@7.0.0/index.js

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cast check coerce coercion finite integer is isnan is-nan is-num is-number isnumber isfinite istype kind math nan num number numeric parseFloat parseInt test type typeof value

is-extglob

Returns true if a string has an extglob.

v2.1.1 URL: https://unpkg.com/is-extglob@2.1.1/index.js

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bash braces check exec expression extglob glob globbing globstar is match matches pattern regex regular string test

type-check

type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

v0.4.0 URL: https://app.unpkg.com/type-check@0.4.0/files/lib

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type check checking library