const regex = /^(?=[^a-z]*[a-z])(?=[^A-Z]*[A-Z])(?=\D*\d)(?=[^!#%]*[!#%])[A-Za-z0-9!#%]{8,32}$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^(?=[^a-z]*[a-z])(?=[^A-Z]*[A-Z])(?=\\D*\\d)(?=[^!#%]*[!#%])[A-Za-z0-9!#%]{8,32}$', 'gm')
const str = `Must include at least 1 lower-case letter.
Must include at least 1 upper-case letter.
Must include at least 1 number.
Must include at least 1 special character (only the following special characters are allowed: !#%).
Is only allowed to include A-Za-z0-9!#% (no other characters are allowed).
Must be from 8 to 32 characters long.
Happyness1!`;
// 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