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function(e){"use strict";e.exports.parse=function(e){var t=/^(?:(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)|(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang))$|^((?:[a-z]{2,3}(?:(?:-[a-z]{3}){1,3})?)|[a-z]{4}|[a-z]{5,8})(?:-([a-z]{4}))?(?:-([a-z]{2}|\d{3}))?((?:-(?:[\da-z]{5,8}|\d[\da-z]{3}))*)?((?:-[\da-wy-z](?:-[\da-z]{2,8})+)*)?(-x(?:-[\da-z]{1,8})+)?$|^(x(?:-[\da-z]{1,8})+)$/i.exec(e);if(!t)return null;t.shift();var n=null,r=[];t[2]&&(n=(o=t[2].split("-")).shift(),r=o);var i=[];t[5]&&(i=t[5].split("-")).shift();var a=[];if(t[6]){(o=t[6].split("-")).shift();for(var o,s,l=[];o.length;){var u=o.shift();1===u.length?s?(a.push({singleton:s,extension:l}),s=u,l=[]):s=u:l.push(u)}a.push({singleton:s,extension:l})}var c=[];t[7]&&((c=t[7].split("-")).shift(),c.shift());var d=[];return t[8]&&(d=t[8].split("-")).shift(),{langtag:{language:{language:n,extlang:r},script:t[3]||null,region:t[4]||null,variant:i,extension:a,privateuse:c},privateuse:d,grandfathered:{irregular:t[0]||null,regular:t[1]||null}}}}