Italian fiscal code validation/control - Angular

Could someone tell me how to check fiscal code (at least for name and surname) in Angular?

EXAMPLE -->

name: Lorenzo

lastname: Rossi

How do I check that I have correctly entered the consonants of the name and lastname in the fiscal code?

fiscal code: RSSLRN87A14L219U. At least RSSLRN is right?

Unfortunately I don't have a reactive form. This is my HTML.

<div class="col-4">
<div>Codice fiscale</div>
<span class="p-float-label">
<input type="text" pInputText placeholder="Inserisci codice fiscale"
name="codiceFiscale"
[(ngModel)]="data.fiscalCode"
pattern="^([A-Za-z]{6}[0-9lmnpqrstuvLMNPQRSTUV]{2}
[abcdehlmprstABCDEHLMPRST]{1}[0-9lmnpqrstuvLMNPQRSTUV]{2}[A-Za-z]{1}[0-
9lmnpqrstuvLMNPQRSTUV]{3}[A-Za-z]{1})$|([0-9]{11})$"
onKeyPress="if(this.value.length==16) return false;"/>
</span>
</div>


Thanks in advance!!

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