Metacharacters for Matching Single Characters : Regular Expression « Validation « ASP.NET Tutorial






  1. ASP.NET Tutorial
  2. Validation
  3. Regular Expression
Character Escapes          Description 
Ordinary characters        Characters other than .$^{[(|)*+?\ match themselves.
\b                         Matches a backspace.
\t                         Matches a tab.
\r                         Matches a carriage return.
\v                         Matches a vertical tab.
\f                         Matches a form feed.
\n                         Matches a newline.
\                          If followed by a special character (one of .$^{[(|)*+?\), 
                           this character escape matches that character literal. 
                           For example, \+ matches the + character.








8.9.Regular Expression
8.9.1.The predefined character classes
8.9.2.quantifiers used to create patterns that match a variable number of characters at a certain position in the string
8.9.3.Metacharacters for Matching Single Characters
8.9.4.Metacharacters for Matching Types of Characters
8.9.5.Quantifiers
8.9.6.Commonly Used Regular Expressions
8.9.7.RegularExpressionValidator compares value against a regular expression
8.9.8.Regular Expression based validation (C#)
8.9.9.Use asp:RegularExpressionValidator to check the zip code
8.9.10.Use asp:RegularExpressionValidator to check the email address
8.9.11.Use Regular expression to validate a Phone number