To display a validation error message only when a form control is touched and invalid, you can use the expressions formControlName._ and formControlName._.

dirty, pristine
touched, pristine
valid, dirty
valid, invalid

To display a validation error message only when a form control is touched and invalid, you can use the expressions formControlName.touched and formControlName.pristine.

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To display a validation error message only when a form control is touched and invalid, you can use the expressions formControlName._____ and formControlName._____.

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To display a validation error message only when a form control is touched and invalid, you can use the expressions formControlName._ and formControlName._.