app/components/subject-label.js
import Component from '@ember/component';
export default Component.extend({
tagName: 'span',
didReceiveAttrs() {
this._super(...arguments);
let text = this.get('tag.text');
if (text.match(/^\d/)) {
this.set('text', text.substr(text.indexOf(' ') + 1).toLowerCase());
} else {
this.set('text', text.toLowerCase());
}
}
});