const regex = /(9\d{2})([ \-]?)(5\d|6[0-5]|7\d|8[0-8]|9[0-2,4-9])([ \-]?)(\d{4})/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(9\\d{2})([ \\-]?)(5\\d|6[0-5]|7\\d|8[0-8]|9[0-2,4-9])([ \\-]?)(\\d{4})', 'gm')
const str = `#Matches
901-50-9999
901519999
901-52-9999
901-53-9999
901629999
901-65-9999
901-75-9999
901-85-9999
901-92-9999
#No matches
901-66-9999
801-65-9999
901-89-9999
901-93-9999`;
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