const regex = /(?:(.{2,})\1)/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(?:(.{2,})\\1)', 'g')
const str = `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`;
// 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