custom directive to only allow regex pattern in input field angular
gfhtrdhtdetrdtr676878798989898)(_+_+custom directive to only allow regex pattern in input field angular
gfhtrdhtdetrdtr676878798989898)(_+_+angular numbers only directive
import { Directive, ElementRef, HostListener, Input } from '@angular/core';
import { NgControl } from '@angular/forms';
@Directive({
selector: 'input[type=number], input[numbersOnly]'
})
export class NumbersOnlyInputDirective {
constructor(private elRef: ElementRef) { }
@HostListener('input', ['$event']) onInputChange(event) {
const initalValue = this.elRef.nativeElement.value;
this.elRef.nativeElement.value = initalValue.replace(/[^0-9]*/g, '');
if ( initalValue !== this.elRef.nativeElement.value) {
event.stopPropagation();
}
}
}Copyright © 2021 Codeinu
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