const regex = /^http(|s):\/\/([^/]+[.])*example.com/gim;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^http(|s):\\\/\\\/([^\/]+[.])*example.com', 'gim')
const str = `http://api.example.com/...
http://preview.example.com/...
http://www.example.com/...
http://purhcase.example.com/...
https://www.google.com/search?dcr=0&source=hp&q=www.example.com&oq=www.example.com&gs_l=psy-ab.3..0l10.1064.1064.0.1493.2.1.0.0.0.0.120.120.0j1.1.0....0...1.1.64.psy-ab..1.1.120.0...0.KLG4Wny_yFA`;
// 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