Date: [0-9]{1,2}/[0-9]{1,2}/[0-9]{2,4}

This pattern will look for 1 or 2 digits, [0-9]{1,2}, followed by a / and then 1 or 2 digits, [0-9]{1,2} followed by a / followed by 2 or 4 digits, [0-9]{2,4}. Examples of matching patterns are 1/31/12 and 03/17/1974.

Currency: [0-9]{1,3}?,?[0-9]{1,3}\.[0-9]{2}

This pattern will look for 1 to 3 digits, [0-9]{1,3}, followed by a , and then, by 1 to 3 digits followed by a "." that is followed by 2 digits. The ? means a 0 or 1 instance of the pattern, so in this case, anything followed with the ? is optional. Examples of this pattern are 20.00, 50000.00, and 600,000.00.

Name with Letters Only: [a-zA-Z]{2,25}

This pattern will look for any text that contains only 2 to 25 upper and lower case alpha characters.