TextXValidationRule class abstract
An abstract class representing a text validation rule.
- Implementers
- Contains
- ContainsAny
- EndsWith
- IsArabicChars
- IsArabicNum
- IsBool
- IsDate
- IsDateAfter
- IsDateMillis
- IsEgyptianPhone
- IsEmail
- IsEmpty
- IsEnglishChars
- IsFacebookUrl
- IsHexColor
- IsHindiNum
- IsIn
- IsInstagramUrl
- IsIpAddress
- ISKsaPhone
- IsLtrLanguage
- IsNotIn
- IsNumber
- IsNumbersOnly
- IsOptional
- IsPort
- IsRequired
- IsRTLLanguage
- IsSecureUrl
- IsUrl
- IsYoutubeUrl
- Match
- MaxLength
- MaxValue
- MinLength
- MinValue
- NotContains
- NotContainsAny
- RegExpRule
- StartsWith
 
Constructors
- TextXValidationRule(String? error)
- 
          The error message to showcase validation failures.
This message is used when the validation rule fails.
            const
Properties
- error → String?
- 
  Passed through the constructor to provide a custom error message.
If not provided, the rule may use a localized error message.
  final
- hashCode → int
- 
  The hash code for this object.
  no setterinherited
- runtimeType → Type
- 
  A representation of the runtime type of the object.
  no setterinherited
Methods
- 
  isValid(String input) → bool 
- Returns a boolean indicating whether the input is valid or not. Subclasses must implement this method to define the validation logic.
- 
  noSuchMethod(Invocation invocation) → dynamic 
- 
  Invoked when a nonexistent method or property is accessed.
  inherited
- 
  toString() → String 
- 
  A string representation of this object.
  inherited
Operators
- 
  operator ==(Object other) → bool 
- 
  The equality operator.
  inherited