Skip to main content

Common Regular Expressions


Common Regular Expressions

Some common regular expressions are shown in Table 1.
Table  Common Regular Expressions
FieldExpressionFormat SamplesDescription
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}$111-11-1111Validates 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})[- .]?\d{3}[- .]?\d{4}$(425) 555-0123
425-555-0123
425 555 0123
1-425-555-0123		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-zA-Z])@))(?(\[)(\[(\d{1,3}\.){3}\d{1,3}\])|(([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,6}))$someone@example.comValidates an e-mail address.
URL^(ht|f)tp(s?)\:\/\/[0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*(:(0-9)*)*(\/?)([a-zA-Z0-9\-\.\?\,\'\/\\\+&amp;%\$#_]*)?$http://www.microsoft.comValidates a URL
ZIP Code^(\d{5}-\d{4}|\d{5}|\d{9})$|^([a-zA-Z]\d[a-zA-Z] \d[a-zA-Z]\d)$12345Validates a U.S. ZIP Code. The code must consist of 5 or 9 numeric characters.
Password(?!^[0-9]*$)(?!^[a-zA-Z]*$)^([a-zA-Z0-9]{8,10})$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)?$1.00Validates 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)?$1.20Validates for a positive or negative currency amount. If there is a decimal point, it requires 2 numeric characters after the decimal point.

Comments

Post a Comment

Popular posts from this blog

ASP.NET MVC - Set custom IIdentity or IPrincipal

Here's how I do it. I decided to use IPrincipal instead of IIdentity because it means I don't have to implement both IIdentity and IPrincipal. Create the interface interface ICustomPrincipal : IPrincipal { int UserId { get ; set ; } string FirstName { get ; set ; } string LastName { get ; set ; } } CustomPrincipal public class CustomPrincipal : ICustomPrincipal { public IIdentity Identity { get ; private set ; } public bool IsInRole ( string role ) { return false ; } public CustomPrincipal ( string email ) { this . Identity = new GenericIdentity ( email ); } public int UserId { get ; set ; } public string FirstName { get ; set ; } public string LastName { get ; set ; } } CustomPrincipalSerializeModel - for serializing custom information into userdata field in FormsAuthenticationTicket object. public class CustomPrincipalSerializeMode...
8 comments
Read more

Validate credit card number with Mod 10 algorithm in C#

Introduction All you know what information contains in your NIC number. But do you know what information contains in the Credit Card Number? Following article provides brief details about what information contain in your credit card and demonstrates to how to validate credit card number using mod 10 (Luhn) algorithms with C#. Background  Card Length   Typically, credit card numbers are all numeric and the length of the credit card number is between 12 digits to 19 digits.  14, 15, 16 digits – Diners Club 15 digits – American Express 13, 16 digits – Visa 16 digits - MasterCard   For more information please refer  http://en.wikipedia.org/wiki/Bank_card_number . Hidden information  Major Industry Identifier (MII)   The first digit of the credit card number is the Major Industry Identifier (MII). It designates the category of the entry which issued the card.     1 and 2 – Airlin...
1 comment
Read more

kendo ui menu dynamic - ASP.NET MVC

Model Class public class DynamicMenu {     public int MenuID { get; set; }     public string MenuName { get; set; }     public int ParentMenuID { get; set; } } Controller Code public ActionResult Menu() {      ViewData["DynamicMenu"] = new List<DynamicMenu> {             new DynamicMenu{ MenuID = 1, MenuName = "Self", ParentMenuID = 0 },             new DynamicMenu{ MenuID = 2, MenuName = "Functional", ParentMenuID = 0  },             new DynamicMenu{ MenuID = 3, MenuName = "Leave", ParentMenuID = 1 },             new DynamicMenu{ MenuID = 4, MenuName = "Leave Application", ParentMenuID = 3 },             new Dynamic...
1 comment
Read more