const regex = /(?:UniquePrefixA|UniqueB|UniqueC)\s*(\[some-token\])(?:and|\s)*(\[some-token\])?(\s|[^\[\]])*(\[some-token\])?(\s|[^\[\]])*(\[some-token\])?(\s|[^\[\]])*/ig;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(?:UniquePrefixA|UniqueB|UniqueC)\\s*(\\[some-token\\])(?:and|\\s)*(\\[some-token\\])?(\\s|[^\\[\\]])*(\\[some-token\\])?(\\s|[^\\[\\]])*(\\[some-token\\])?(\\s|[^\\[\\]])*', 'ig')
const str = `Examples 1-3:
[1] UniquePrefixA [some-token] and [some-token] want to take [some-token] to see some monkeys.
[2] UniqueC [some-token] wants to take [some-token] to the store. UniqueB, [some-token] is in the pattern once more.
[3] UniquePrefixA [some-token] is using [some-token] to [some-token].
`;
// 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