const regex = new RegExp('((([A-Za-z]{3,9}:(?:\\/\\/)?)(?:[-;:&=\\+\\$,\\w]+@)?[A-Za-z0-9.-]+|(?:www.|[-;:&=\\+\\$,\\w]+@)[A-Za-z0-9.-]+)((?:\\/[\\+~%\\/.\\w\\-_]*)?\\??(?:[-\\+=&;%@.\\w_]*)#?(?:[.\\!\\/\\\\w]*))?)', 'ig')
const str = `The google search url www.google.com that we all used to love.
http://www.google.com is same as above except with the http protocol.
This of course a hyperlink to an email mailto:somebody@google.com
Someone's email address somebody@google.com
This is a web address www.url-with-querystring.com/?url=has-querystring&url-2=anotherstring ends with a query strings.`;
// 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