regular expressions for common inputs (email, special characters)

validation.ts

const emailRegex =
  /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;

const specialCharacterRegex = /[~`!@#$%\^&*\(\)_+\-=\[\]{};':"\\|,.<>\/?]/;

function isEmail(value: string) {
  return emailRegex.test(value);
}

function isSpecialCharacter(value: string) {
  return specialCharacterRegex.test(value);
}