/TypeScript/Preventing +,-,e from input ts

Preventing +,-,e from input ts

<input(keyup)="_keyUp($event)">

Source: stackoverflow.com

Preventing +,-,e from input ts

_keyUp(event: any) {
    const pattern = /[0-9\+\-\ ]/;
    let inputChar = String.fromCharCode(event.key);

    if (!pattern.test(inputChar)) {
      // invalid character, prevent input
      event.preventDefault();
    }
}

Source: stackoverflow.com

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