const regex = /[78]( --[(][)]*[0-9]{10})/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('[78]( --[(][)]*[0-9]{10})', 'g')
const str = ` '84951234567', '+74951234567', '8-495-1-234-567',
' 8 (8122) 56-56-56', '8-911-1234567', '8 (911) 12 345 67',
'8-911 12 345 67', '8 (911) - 123 - 45 - 67', '+ 7 999 123 4567',
'8 ( 999 ) 1234567', '8 999 123 4567'`;
// 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