const regex = /[0-3]?\d([\,\-\/ ])(?<Bulan>(?<Januari>[Jj]an|[Jj]anuari)|(?<Februari>[Ff]ebruari|[Ff]eb)|(?<Maret>[Mm]aret|[Mm]ar)|(?<April>[Aa]pril|[Aa]pr)|(?<Mei>[Mm]ei|[Mm]ay)|(?<Juni>[Jj]uni|[Jj]une)|(?<Juli>[Jj]uli|[Jj]uly)|(?<Agustus>[Aa]gustus|[Aa]ug)|(?<September>[Ss]eptember|[Ss]ept)|(?<Oktober>[Oo]ktober|[Oo]ct)|(?<November>[Nn]ovember|[Nn]ov)|(?<Desember>[Dd]esember|[Dd]ec))\1([12]\d{3}|\d{2})/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('[0-3]?\\d([\\,\\-\\\/ ])(?<Bulan>(?<Januari>[Jj]an|[Jj]anuari)|(?<Februari>[Ff]ebruari|[Ff]eb)|(?<Maret>[Mm]aret|[Mm]ar)|(?<April>[Aa]pril|[Aa]pr)|(?<Mei>[Mm]ei|[Mm]ay)|(?<Juni>[Jj]uni|[Jj]une)|(?<Juli>[Jj]uli|[Jj]uly)|(?<Agustus>[Aa]gustus|[Aa]ug)|(?<September>[Ss]eptember|[Ss]ept)|(?<Oktober>[Oo]ktober|[Oo]ct)|(?<November>[Nn]ovember|[Nn]ov)|(?<Desember>[Dd]esember|[Dd]ec))\\1([12]\\d{3}|\\d{2})', 'gm')
const str = `12-Maret-2021`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions