const regex = /(?<protocol>(?:[^:]+)s?:\/\/)?(?:(?<user>[^:\n\r]+):(?<pass>[^@\n\r]+)@)?(?<host>(?:www\.)?(?:[^:\/\n\r]+)(?::(?<port>\d+))?)\/?(?<request>[^?#\n\r]+)?\??(?<query>[^#\n\r]*)?\#?(?<anchor>[^\n\r]*)?/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(?<protocol>(?:[^:]+)s?:\\\/\\\/)?(?:(?<user>[^:\\n\\r]+):(?<pass>[^@\\n\\r]+)@)?(?<host>(?:www\\.)?(?:[^:\\\/\\n\\r]+)(?::(?<port>\\d+))?)\\\/?(?<request>[^?#\\n\\r]+)?\\??(?<query>[^#\\n\\r]*)?\\#?(?<anchor>[^\\n\\r]*)?', 'gm')
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