const regex = /
^((http|https):\/\/)?(www[0-9]\.)?(([A-Za-z0-9_-])+\.{1})+([A-Za-z]{2,4}|\<[^<>]+\>)(\/([A-Za-z0-9_-])+)*(\/)?$/mg;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('
^((http|https):\\\/\\\/)?(www[0-9]\\.)?(([A-Za-z0-9_-])+\\.{1})+([A-Za-z]{2,4}|\\<[^<>]+\\>)(\\\/([A-Za-z0-9_-])+)*(\\\/)?$', 'mg')
const str = `https://www.google.com
http://www.google.net/hello
https://www.google.<var>
http://www.google.<hello>/hello
http://www.google.>hello</hello
http://www.google.<<hello>/hello
http://www.google.<<hello>>/hello
http://www.google.<hello>>/hello`;
// 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