Validators class
Properties
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hashCode
→ int
-
The hash code for this object.
no setterinherited
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runtimeType
→ Type
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A representation of the runtime type of the object.
no setterinherited
Methods
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noSuchMethod(Invocation invocation)
→ dynamic
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Invoked when a nonexistent method or property is accessed.
inherited
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toString()
→ String
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A string representation of this object.
inherited
Static Methods
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DirectoryName({String errorMessage = 'Invalid Directory Name', String? next(String value)?})
→ (String? Function(String? value)?)
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Returns a validator that checks if a directory name is valid.
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Email({String errorMessage = 'Invalid email', String? next(String value)?})
→ (String? Function(String? value)?)
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Returns a validator that checks if a string is a valid email.
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Equals({required String value, String errorMessage = 'Value matches to the given value', String? next(String value)?})
→ (String? Function(String? value)?)
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Returns a validator that checks if a string equals to given string. It can be used in specific cases like password confirmation.
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FileName({String errorMessage = 'Invalid File Name', String? next(String value)?, List<String>? extensionWhereIn})
→ (String? Function(String? value)?)
-
Returns a validator that checks if a file name is valid.
-
LengthBetween(int min, int max, {String errorMessage = 'Field Should be atleast *min_len* and at most *max_len* characters long', String? next(String value)?})
→ (String? Function(String? value)?)
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Returns a validator that checks if a string's length lies between the values provided
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MaxLength({required int length, String errorMessage = 'Maximum length is *max_len*', String? next(String value)?})
→ (String? Function(String? value)?)
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Returns a validator that checks if a string is at most a certain length.
-
MinLength({required int length, String errorMessage = 'Minimum length is *min_len*', String? next(String value)?})
→ (String? Function(String? value)?)
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Returns a validator that checks if a string is at least a certain length.
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Number({String errorMessage = 'Invalid number', String? next(String value)?, bool integerOnly = false, bool allowNegative = true, bool allowDecimal = true})
→ (String? Function(String? value)?)
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Returns a validator that checks if a string is a valid number.
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Regex({required String pattern, String errorMessage = 'Invalid value', String? next(String value)?})
→ (String? Function(String? value)?)
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Returns a validator that checks if a string is matches given regex pattern.
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Required({String errorMessage = 'Field cannot be empty', String? next(String value)?})
→ (String? Function(String? value)?)
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Returns a validator that checks if a string is empty.
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Url({String errorMessage = 'Invalid url', String? next(String value)?})
→ (String? Function(String? value)?)
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Returns a validator that checks if a string is a valid url.
