const regex = /(https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]\.[^\s]{2,}|www\.[a-zA-Z0-9]\.[^\s]{2,})/gi;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(https?:\\\/\\\/(?:www\\.|(?!www))[a-zA-Z0-9-]+[a-zA-Z0-9]\\.[^\\s]{2,}|www\\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\\.[^\\s]{2,}|https?:\\\/\\\/(?:www\\.|(?!www))[a-zA-Z0-9]\\.[^\\s]{2,}|www\\.[a-zA-Z0-9]\\.[^\\s]{2,})', 'gi')
const str = `http://www.google.gr
https://www.google.gr
http://google.gr
http://www.google.gr/kino
http://www.google.co
http://google.co
http://google.gr
www.google.gr
www.google
http://www.google
http://google
www.google#.com
www.google.com
www.google-.gr
www.-google.gr
www.goo-gle.com
googel.gr
www.google.co
www.com
www.g.comwww.g.com
hello.com
.com
www.
www.google.comwww.google.com
`;
// 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