digits 0 through 9. If we find such a character (a letter, a punctuation mark, whatever), then we know the value assigned to strSearchString isn't valid. With regular expressions, the syntax \D is used to match any non-digit character; thus we assign the value \D to the Pattern ...
regex:patternThe field under validation must match the given regular expression.Note: When using the regex / not_regex patterns, it may be necessary to specify rules in an array instead of using pipe delimiters, especially if the regular expression contains a pipe character....
This lesson explains how to use thejava.util.regexAPI for pattern matching with regular expressions. Although the syntax accepted by this package is similar to thePerlprogramming language, knowledge of Perl is not a prerequisite. This lesson starts with the basics, and gradually builds to cover ...
Public Class ProductController Inherits System.Web.Mvc.Controller ' ' GET: /Product/Create Function Create() As ActionResult Return View() End Function ' ' POST: /Product/Create _ Function Create( ByVal productToCreate As Product) As ActionResult If Not ModelState.IsValid Then...
This lesson explains how to use the java.util.regex API for pattern matching with regular expressions. Although the syntax accepted by this package is similar to the Perl programming language, knowledge of Perl is not a prerequisite. This lesson starts with the basics, and gradually builds to ...
not_in:foo,bar,... The field under validation must not be included in the given list of values. numeric The field under validation must have a numeric value. regex:pattern The field under validation must match the given regular expression. ...
Match a regular expression pattern TheRegex.IsMatchmethod returnstrueif the string matches the pattern, orfalseif it does not. TheIsMatchmethod is often used to validate string input. For example, the following code ensures that a string matches a valid social security number in the United Stat...
A URL rule can be associated with named query parameters which are specified in the pattern in the format of <ParamName:RegExp>, where ParamName specifies the parameter name and RegExp is an optional regular expression used to match parameter values. If RegExp is not specified, it means the...
The second regular expression uses the x flag, causing the white spaces in the string to be ignored. var rePhonePattern1:RegExp = /\d{3}-\d{3}-\d{4}|\(\d{3}\)\s?\d{3}-\d{4}/; var str:String = "The phone number is (415)555-1212."; trace(rePhonePattern1.extended)...
Validate that an attribute is a given length, or, if an attribute is numeric, is a given value string The field under validation must be a string. url Validate that an attribute has a valid URL format regex:pattern The field under validation must match the given regular expression. ...