Function isValidHttpDateString

Returns input is
    | `Mon, ${number} Jan ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} Feb ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} Mar ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} Apr ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} May ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} Jun ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} Jul ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} Aug ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} Sep ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} Oct ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} Nov ${number} ${number}:${number}:${number} GMT`
    | `Mon, ${number} Dec ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Jan ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Feb ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Mar ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Apr ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} May ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Jun ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Jul ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Aug ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Sep ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Oct ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Nov ${number} ${number}:${number}:${number} GMT`
    | `Tue, ${number} Dec ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Jan ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Feb ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Mar ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Apr ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} May ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Jun ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Jul ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Aug ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Sep ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Oct ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Nov ${number} ${number}:${number}:${number} GMT`
    | `Wed, ${number} Dec ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Jan ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Feb ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Mar ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Apr ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} May ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Jun ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Jul ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Aug ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Sep ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Oct ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Nov ${number} ${number}:${number}:${number} GMT`
    | `Thu, ${number} Dec ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Jan ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Feb ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Mar ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Apr ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} May ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Jun ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Jul ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Aug ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Sep ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Oct ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Nov ${number} ${number}:${number}:${number} GMT`
    | `Fri, ${number} Dec ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Jan ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Feb ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Mar ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Apr ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} May ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Jun ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Jul ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Aug ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Sep ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Oct ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Nov ${number} ${number}:${number}:${number} GMT`
    | `Sat, ${number} Dec ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Jan ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Feb ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Mar ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Apr ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} May ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Jun ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Jul ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Aug ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Sep ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Oct ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Nov ${number} ${number}:${number}:${number} GMT`
    | `Sun, ${number} Dec ${number} ${number}:${number}:${number} GMT`

import {isValidHttpDateString} from 'date-vir';

isValidHttpDateString('no'); // `false`
isValidHttpDateString('Wed, 21 Oct 2015 07:28:00 GMT'); // `true`
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