<textarea matInput #newMessage color="primary"
mwlTextInputElement
[formControl]="newMessageFormControl"
[value]="newMessageFormControl.value | q9Emoji"
></textarea>`


TS:
transform(value: any): any {
return this.replace(value);
}

replace(value) {
const emojisRegex = new RegExp(':(' +
Object.keys(this.emojiObj).join('|') + '):', 'g');

return value.replace(emojisRegex, (match, text) => this.emojiService.unifiedToNative(this.emojiObj[text]));
}