const regex = new RegExp('(b|t)[ea]r', 'gm')
const str = `abc, easy as 123
abcdef, easy as 123456!!
When it is breezy, I wear my green fleece!
That Cat wearing the Fat Hat is about 123 years old!
Python in morse code is .--. -.-- - .... --- -.
Like watching bluebirds, blackbirds, and redbirds!
THE PRANCING PONY is located in Bree.
Today is October, 2, 2020. We started class at 8:00a.
Random: ljsd98s9fhekSDKF7seiwe7
In a hole in the ground there lived a hobbit. Not a nasty, dirty, wet hole, filled with the ends of worms and an oozy smell, nor yet a dry, bare, sandy hole with nothing in it to sit down on or to eat: it was a hobbit-hole, and that means comfort.
`;
// 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