const regex = /^(?:0|(?:\+|00) ?31 ?)(?:(?:[1-9] ?(?:[0-9] ?){8})|(?:6 ?-? ?[1-9] ?(?:[0-9] ?){7})|(?:[1,2,3,4,5,7,8,9]\d ?-? ?[1-9] ?(?:[0-9] ?){6})|(?:[1,2,3,4,5,7,8,9]\d{2} ?-? ?[1-9] ?(?:[0-9] ?){5}))$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^(?:0|(?:\\+|00) ?31 ?)(?:(?:[1-9] ?(?:[0-9] ?){8})|(?:6 ?-? ?[1-9] ?(?:[0-9] ?){7})|(?:[1,2,3,4,5,7,8,9]\\d ?-? ?[1-9] ?(?:[0-9] ?){6})|(?:[1,2,3,4,5,7,8,9]\\d{2} ?-? ?[1-9] ?(?:[0-9] ?){5}))$', 'gm')
const str = `this is a list of numbers inline 06-12345678 gggf0612345678 06 12345678 0101234567 010-1234567 dfgfdg010 1234567 010 12 34 567 more 010 12 34567 yes 010 1234 567 and more +31612345678 and more and this 0031123456789
dfgfd and here are some separate lines:
06-12345678
0612345678
0612345678
0101234567
010-1234567
010 1234567
010 12 34 567
010 12 34567
010 1234 567
+31612345678
0031123456789
ghf@fghgfh.coml
`;
// 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