const regex = /\bpayments\W+(?:\w+\W+){1,9}?(?<highlight>\d{1,3})\s+?days\b/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('\\bpayments\\W+(?:\\w+\\W+){1,9}?(?<highlight>\\d{1,3})\\s+?days\\b', 'gm')
const str = `Lorem ipsum dolor sit amet, consectetur adipiscing elit. Maecenas at neque eu felis rutrum efficitur. Pellentesque lacinia mauris metus, at dapibus ante varius non. Maecenas non pulvinar velit. Class aptent taciti sociosqu ad litora torquent per conubia nostra, per inceptos himenaeos. Fusce ut risus sollicitudin, interdum dolor condimentum, hendrerit nibh. Donec efficitur sem nisl, ut tristique mauris pulvinar eget. payments must be made within 60 days. Duis eu odio vitae turpis pulvinar placerat vulputate a diam. Maecenas eget risus mauris. Nulla ac convallis erat, a commodo velit. Fusce convallis ultrices neque. Etiam id urna lacus. Mauris fermentum tortor lacus, id congue dui suscipit vitae. Donec mi odio, laoreet a enim et, suscipit varius mauris. Nulla facilisi.--`;
// 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