const regex = /(\/([0-9]+)?|([a-z]+)?\.jpg|jpeg|png|gif)/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(\\\/([0-9]+)?|([a-z]+)?\\.jpg|jpeg|png|gif)', 'gm')
const str = `http://site234.com/folder/ar.txt
http://jtem.com/folder/s.zip
http://site.com/folder/ddr
http://sit23e1.ru/folder/eff.jpg
http://spbrecommender.com/folder/karo.gif
http://site.eu/folder/spb.pdf
http://site.com/folder/lego.jpeg
http://sir.fr/folder/some.jpg
http://site.com/folder/erro.exe
http://personel.com/folder/1.png`;
// 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