const regex = /^(?:(MORE)|LESS) THAN CAD [\d,]+(?(1)(?: BUT LESS THAN CAD [\d,]+)?)$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^(?:(MORE)|LESS) THAN CAD [\\d,]+(?(1)(?: BUT LESS THAN CAD [\\d,]+)?)$', 'gm')
const str = `MORE THAN CAD 10,000
MORE THAN CAD 10,000 BUT LESS THAN CAD 15,000
LESS THAN CAD 10,000
MORE THAN CAD 10,000LESS THAN CAD 15,000
LESS THAN CAD 10,000 BUT LESS THAN CAD 10,000`;
// 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