const regex = /\brs\W*?(\d{1,7}(?:,\d+)*)\b(?:\s*?(?:-|to)\s*?(?:\brs\b\W*?)?(\d{1,7}(?:,\d+)*)\b)?/ig;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('\\brs\\W*?(\\d{1,7}(?:,\\d+)*)\\b(?:\\s*?(?:-|to)\\s*?(?:\\brs\\b\\W*?)?(\\d{1,7}(?:,\\d+)*)\\b)?', 'ig')
const str = `The price was Rs.1000
The price was Rs 1000
The price was Rs.1000 - 5000
The price was Rs.1000 - Rs.5000
The price was Rs.50,000
The price was Rs 1,25,000 - Rs 2,45,000`;
// 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