LyNullableStringIsAlpha class

Validation that requires a string to contain only letters (a-zA-Z).

If the value contains anything other than letters, the message is returned.

Example:

final validator = LyNullableStringIsAlpha('Invalid alpha');
final result = validation('abc123');
print(result); // Invalid alpha

Constructors

LyNullableStringIsAlpha(String message)

Validation that requires a string to contain only letters (a-zA-Z).

Properties

hashCode → int

The hash code for this object.

no setter, inherited

message → String

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

call(String? value) → String?

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 &(LyBaseValidator<String?> other) → LyBaseValidator<String?>

inherited

operator ==(Object other) → bool

The equality operator.

inherited

operator |(LyBaseValidator<String?> other) → LyBaseValidator<String?>

inherited