js过滤/判断表情符号

var regRule = /\uD83C[\uDF00-\uDFFF]|\uD83D[\uDC00-\uDE4F]/g;

            if(this.value.match(regRule)) {

                // this.value = this.value.replace(/\uD83C[\uDF00-\uDFFF]|\uD83D[\uDC00-\uDE4F]/g, "");

                this.$toast('不支持表情符号');

                return;

            }