isRegExp
isRegExp :: a → Boolean
import isRegExp from 'deep-waters/isRegExp';
isRegExp(/^foo$/); // → true
isRegExp(new RegExp(/^foo$/)); // → true
isRegExp("/^foo$/"]); // → false
isRegExp(null); // → false
isRegExp("foo"); // → false
import isString from 'deep-waters/isString';
import matchesPattern from 'deep-waters/matchesPattern';
const isEmail = compose(
isString,
matchesPattern(/^\w+([.-]?\w+)*@\w+([.-]?\w+)*(\.\w{2,3})+$/),
);
isRegExp is built on top of ofClass validator and rely on
Object.prototype.toString
to check on the received value type in order to avoid typeof weird behaviours and encouraging a runtime strict type validation.Last modified 3yr ago