TextValidationConfig class final

Configuration rules for valid text strings.

Provides constraints such as length limit, regular expression patterns, and blacklisted words.

Annotations

Constructors

TextValidationConfig({int? minLength, int? maxLength, bool allowEmpty = false, bool allowOnlyWhitespace = false, bool trimWhitespace = true, String? pattern, Set<String> blacklistedWords = const {}, String? allowedCharacters, bool wholeWordBlacklist = false}): Creates a new TextValidationConfig with customizable rules.
const
TextValidationConfig.alphanumeric(): Alphanumeric only
factory
TextValidationConfig.longText(): Long text (articles, posts)
factory
TextValidationConfig.mediumText(): Medium text (descriptions, comments)
factory
TextValidationConfig.name(): Name validation (first name, last name)
factory
TextValidationConfig.shortText(): Short text (titles, labels)
factory
TextValidationConfig.username(): Username validation
factory

allowedCharacters → String?: Additional specification of characters that are allowed, often paired with pattern.
final
allowEmpty → bool: Whether empty text (or whitespace-only if not trimmed) is permitted.
final
allowOnlyWhitespace → bool: Whether text consisting solely of whitespace characters is permitted.
final
blacklistedWords → Set<String>: A set of words that are not permitted to appear in the text.
final
hashCode → int: The hash code for this object.
no setteroverride
maxLength → int?: Optional maximum allowable length.
final
minLength → int?: Optional minimum allowable length.
final
pattern → String?: A regular expression pattern that the text must match.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
trimWhitespace → bool: Whether the text should be trimmed (removing leading/trailing whitespace).
final
wholeWordBlacklist → bool: Whether blacklistedWords must match whole words only.
final

copyWith({Object? minLength = _unset, Object? maxLength = _unset, bool? allowEmpty, bool? allowOnlyWhitespace, bool? trimWhitespace, Object? pattern = _unset, Set<String>? blacklistedWords, Object? allowedCharacters = _unset, bool? wholeWordBlacklist}) → TextValidationConfig: Returns a copy of this config with the given fields replaced.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
toString() → String: A string representation of this object.
inherited