export var match1 = /d/; // 0 - 9 export var match2 = /dd/; // 00 - 99 export var match3 = /d{3}/; // 000 - 999 export var match4 = /d{4}/; // 0000 - 9999 export var match6 = /[+-]?d{6}/; // -999999 - 999999 export var match1to2 = /dd?/; // 0 - 99 export var match3to4 = /dddd?/; // 999 - 9999 export var match5to6 = /dddddd?/; // 99999 - 999999 export var match1to3 = /d{1,3}/; // 0 - 999 export var match1to4 = /d{1,4}/; // 0 - 9999 export var match1to6 = /[+-]?d{1,6}/; // -999999 - 999999

export var matchUnsigned = /d+/; // 0 - inf export var matchSigned = /[+-]?d+/; // -inf - inf

export var matchOffset = /Z|dd:?dd/gi; // +00:00 -00:00 +0000 -0000 or Z export var matchShortOffset = /Z|dd(?::?dd)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z

export var matchTimestamp = /[+-]?d+(.d{1,3})?/; // 123456789 123456789.123

// any word (or two) characters or numbers including two/three word month in arabic. // includes scottish gaelic two word and hyphenated months export var matchWord = /[0-9]*+|[u0600-u06FF/]+(s*?+){1,2}/i;

import hasOwnProp from '../utils/has-own-prop'; import isFunction from '../utils/is-function';

var regexes = {};

export function addRegexToken (token, regex, strictRegex) {

regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {
    return (isStrict && strictRegex) ? strictRegex : regex;
};

}

export function getParseRegexForToken (token, config) {

if (!hasOwnProp(regexes, token)) {
    return new RegExp(unescapeFormat(token));
}

return regexes[token](config._strict, config._locale);

}

// Code from stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript function unescapeFormat(s) {

return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
    return p1 || p2 || p3 || p4;
}));

}

export function regexEscape(s) {

return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');

}