const checkPattern = pattern => pattern
    && isString(pattern)
    && !REGEX_TEST_BLANK_LINE.test(pattern)
    && !REGEX_INVALID_TRAILING_BACKSLASH.test(pattern)

    // > A line starting with # serves as a comment.
    && pattern.indexOf('#') !== 0

const splitPattern = pattern => pattern.split(REGEX_SPLITALL_CRLF)

class IgnoreRule {
    constructor (
        origin,
        pattern,

mbre|octubre|noviembre|diciembre)/i,monthsShortStrictRegex:/^(ene\.?|feb\.?|mar\.?|abr\.?|may\.?|jun\.?|jul\.?|ago\.?|sep\.?|oct\.?|nov\.?|dic\.?)/i,monthsParse:ks,longMonthsParse:ks,shortMonthsParse:ks,weekdays:"domingo_lunes_martes_mi\xe9rcoles_jueves_viernes_s\xe1bado".split("_"),weekdaysShort:"dom._lun._mar._mi\xe9._jue._vie._s\xe1b.".split("_"),weekdaysMin:"do_lu_ma_mi_ju_vi_s\xe1".split("_"),weekdaysParseExact:!0,longDateFormat:{LT:"h:mm A",LTS:"h:mm:ss A",L:"DD/MM/YYYY",LL:"D [de] MMMM [de]...