Pasting non-numeric characters triggers a stuck opening parenthesis in the phone mask

[DavidMSands]

🐞 bug report

Is this a regression?

Unsure

Yes, the previous version in which this bug was not present was: ....

Description

When using ngx-mask with a phone input mask, pasting a non-numeric character causes the mask’s opening parenthesis to appear and remain even after clicking out of the field. This partial mask persists until the input is fully cleared, which appears confusing.

A clear and concise description of the problem...

🔬 Minimal Reproduction

StackBlitz Recreation

🔥 Exception or Error

No explicit console error appears, but the input’s display just shows a partially masked state. The opening parenthesis remains even even though the pasted letters are removed.

🌍 Your Environment

Angular Version:

"@angular/core": "^18.0.0"

Anything else relevant?