PatternValidator
A directive that adds regex pattern validation to controls marked with the
pattern attribute. The regex must match the entire control value.
The directive is provided with the NG_VALIDATORS multi-provider list.
pattern
string | RegExpTracks changes to the pattern bound to this directive.
enabled
booleanDetermines whether this validator should be active or not based on an input.
Base class implementation checks whether an input is defined (if the value is different from
null and undefined). Validator classes that extend this base class can override this
function with the logic specific to a particular validator directive.
unknownboolean설명
A directive that adds regex pattern validation to controls marked with the
pattern attribute. The regex must match the entire control value.
The directive is provided with the NG_VALIDATORS multi-provider list.
다음 모듈에서 내보냄
사용 시 참고사항
Adding a pattern validator
The following example shows how to add a pattern validator to an input attached to an ngModel binding.
<input name="firstName" ngModel pattern="[a-zA-Z ]*">