Regular Expresions JavaScript

My list of Regular Expressions used in validating forms using JavaScript

• Checking Email Addresses,
  remail = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;   
• Checking a persons name,
  rename = /^((?:[A-Z](?:('|(?:[a-z]{1,3}))[A-Z])?[a-z]+)|(?:[A-Z]\.))(?:([ -])((?:[A-Z](?:('|(?:[a-z]{1,3}))[A-Z])?[a-z]+)|(?:[A-Z]\.)))?$/;
  
• Checking the contents of a message or text box to make sure that only the characters intend are being used,
  remess = /^[0-9A-Za-z\,\.\'\-\s]+$/;