const regex = /(?<!\d)(\d{5}(?:[-\s]\d{4})?)\b/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(?<!\\d)(\\d{5}(?:[-\\s]\\d{4})?)\\b', 'g')
const str = `"Mr. Bean bought 2 tickets 2-613-213-4567",
"43 Butter Rd, Brossard QC K0A 3P0 – 613 213 4567",
"Rat Race, XX, 12345",
"Ignore phone numbers(613)2134567",
"Grab zips with dashes 12345-6789 or no space before12345-6789",
"Grab zips with spaces 12345 6789 or no space before12345 6789",
"I like 1234567 dogs"`;
// 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