const regex = /part(0*[2-9][0-9]*|0*1[0-9]+)\.rar/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('part(0*[2-9][0-9]*|0*1[0-9]+)\\.rar', 'g')
const str = `S01.rar
S23.part1.rar
s4.part01.rar
Movie.rar
Youtube Movie.part1.rar
123Mov Ddaa.part01.rar
123Mov Ddaa.part001.rar
S01.part11.rar
S01.part010.rar
S01.part100.rar
S01.part02.rar
S2.part4.rar
Movie.part3.rar
Youtube Movie.part08.rar
123Mov Ddaa.part002.rar`;
// 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