const regex = /^(?<protocol>[a-z]{2,6}):\/\/((?<subdomain>[a-z0-9]{0,10}\.{1}){0,2}(?<domain>[a-z\-0-9]{1,30}){1}\.{1}(?<extension>[a-z]{1,10}){1}|(?<ipaddress>([0-9\.]{2,5}){3,8}))(?<port>\:[0-9]{1,6}){0,1}\/?(?<filepath>(?<path>[a-z0-9\-_%]{1,20}\/{1}){0,}(?<filename>[a-z0-9\-_]{1,20}\.{1}[a-z0-9]{2,6}){0,1}){0,1}(?<route>(\/{1}[a-z_0-9\-_]{1,20}){1,}){0,10}(?<query>\?{1}[a-z0-9%\+_\-&=\.@\!,\:]{0,200}){0,1}$/igm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^(?<protocol>[a-z]{2,6}):\\\/\\\/((?<subdomain>[a-z0-9]{0,10}\\.{1}){0,2}(?<domain>[a-z\\-0-9]{1,30}){1}\\.{1}(?<extension>[a-z]{1,10}){1}|(?<ipaddress>([0-9\\.]{2,5}){3,8}))(?<port>\\:[0-9]{1,6}){0,1}\\\/?(?<filepath>(?<path>[a-z0-9\\-_%]{1,20}\\\/{1}){0,}(?<filename>[a-z0-9\\-_]{1,20}\\.{1}[a-z0-9]{2,6}){0,1}){0,1}(?<route>(\\\/{1}[a-z_0-9\\-_]{1,20}){1,}){0,10}(?<query>\\?{1}[a-z0-9%\\+_\\-&=\\.@\\!,\\:]{0,200}){0,1}$', 'igm')
const str = ``;
// 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