Table 1. Common Regular Expressions
Field
|
Expression
|
Format Samples
|
Description
|
Name
|
^[a-zA-Z''-'\s]{1,40}$
|
John Doe
O'Dell |
Validates a name. Allows up to 40 uppercase and lowercase characters and a few special characters that are common to some names. You can modify this list.
|
Social Security Number
|
^\d{3}-\d{2}-\d{4}$
|
111-11-1111
|
Validates the format, type, and length of the supplied input field. The input must consist of 3 numeric characters followed by a dash, then 2 numeric characters followed by a dash, and then 4 numeric characters.
|
Phone Number
|
^[01]?[- .]?(\([2-9]\d{2}\)|[2-9]\d{2})
|
Validates a U.S. phone number. It must consist of 3 numeric characters, optionally enclosed in parentheses, followed by a set of 3 numeric characters and then a set of 4 numeric characters.
| |
E-mail
|
^([0-9a-zA-Z]([-\.\w]*[0-9a-
|
Validates an e-mail address.
| |
URL
|
^(ht|f)tp(s?)\:\/\/[0-9a-zA-Z]
|
Validates a URL
| |
ZIP Code
|
^(\d{5}-\d{4}|\d{5}|\d{9})$|^(
|
12345
|
Validates a U.S. ZIP Code. The code must consist of 5 or 9 numeric characters.
|
Password
|
(?!^[0-9]*$)(?!^[a-zA-Z]*$)^([
|
Validates a strong password. It must be between 8 and 10 characters, contain at least one digit and one alphabetic character, and must not contain special characters.
| |
Non- negative integer
|
^\d+$
|
0
986 |
Validates that the field contains an integer greater than zero.
|
Currency (non- negative)
|
^\d+(\.\d\d)?$
|
1.00
|
Validates a positive currency amount. If there is a decimal point, it requires 2 numeric characters after the decimal point. For example, 3.00 is valid but 3.1 is not.
|
Currency (positive or negative)
|
^(-)?\d+(\.\d\d)?$
|
1.20
|
Validates for a positive or negative currency amount. If there is a decimal point, it requires 2 numeric characters after the decimal point.
|
