element-react-ui-components/libs/props/regex.js

Element UI components for React

import { createPropType } from '../utils';

export default createPropType((props, propName, componentName) => {
  const value = props[propName];

  if (!(value instanceof RegExp)) {
    return new Error(`Invalid prop ${propName} of ${componentName}, should be valid regex.`);
  }
});