Add regex validator

Author: CodingCarlos

lib/validators/regex.js

@@ -0,0 +1,22 @@
+/**
+ *	Regex validator
+ *
+ *	{
+ *		regex: Regex
+ *	}
+ */
+
+function isValid(data, model) {
+	if (!model.regex) {
+		return true;
+	}
+
+	if(typeof model.regex === 'object' && typeof model.regex.test === 'function') {
+		return model.regex.test(data);
+	}
+	
+	return false;
+}
+
+
+module.exports = isValid;

spec/validators/regex.spec.js

@@ -0,0 +1,28 @@
+var valid = require('../../lib/validators/regex');
+
+const regex = /[a]/;
+const validData = 'asd';
+const invalidData = 'sdf';
+
+const model = {
+	regex: regex
+};
+
+describe(' - Regex validator', () => {
+	it('shall be a function', () => {
+		expect(typeof valid).toEqual('function');
+	});
+
+	it('shall validate everything when no model set', () => {
+		expect(valid(validData, {})).toEqual(true);
+		expect(valid(invalidData, {})).toEqual(true);
+	});
+
+	it('shall validate valid patterns when model set', () => {
+		expect(valid(validData, model)).toEqual(true);
+	});
+
+	it('shall not validate invalid patterns when model set', () => {
+		expect(valid(invalidData, model)).toEqual(false);
+	});
+});