diff --git a/README.md b/README.md
index 2b801db7b..d25a550d0 100644
--- a/README.md
+++ b/README.md
@@ -90,7 +90,7 @@ Validator | Description
**isISBN(str [, version])** | check if the string is an ISBN (version 10 or 13).
**isISSN(str [, options])** | check if the string is an [ISSN](https://en.wikipedia.org/wiki/International_Standard_Serial_Number).
`options` is an object which defaults to `{ case_sensitive: false, require_hyphen: false }`. If `case_sensitive` is true, ISSNs with a lowercase `'x'` as the check digit are rejected.
**isISIN(str)** | check if the string is an [ISIN][ISIN] (stock/security identifier).
-**isISO8601(str)** | check if the string is a valid [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) date.
+**isISO8601(str)** | check if the string is a valid [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) date; with additional checks for valid dates, e.g. invalidates dates like `2009-02-29`.
**isRFC3339(str)** | check if the string is a valid [RFC 3339](https://tools.ietf.org/html/rfc3339) date.
**isISO31661Alpha2(str)** | check if the string is a valid [ISO 3166-1 alpha-2](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) officially assigned country code.
**isISO31661Alpha3(str)** | check if the string is a valid [ISO 3166-1 alpha-3](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-3) officially assigned country code.
diff --git a/lib/isISO8601.js b/lib/isISO8601.js
index e38f8611b..d19596025 100644
--- a/lib/isISO8601.js
+++ b/lib/isISO8601.js
@@ -13,11 +13,33 @@ function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { de
/* eslint-disable max-len */
// from http://goo.gl/0ejHHW
-var iso8601 = /^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-2])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/;
+var iso8601 = /^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-3])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/;
/* eslint-enable max-len */
+var isValidDate = function isValidDate(str) {
+ // str must have passed the ISO8601 check
+ // this check is meant to catch invalid dates
+ // like 2009-02-31
+ // note: we choose not to validate the time part
+ var match = str.match(/(\d{4})-?(\d{0,2})-?(\d{0,2})/).map(Number);
+ var year = match[1];
+ var month = match[2];
+ var day = match[3];
+ // create a date object and compare
+ var d = new Date(year + '-' + (month || 1) + '-' + (day || 1));
+ if (isNaN(d.getFullYear())) return false;
+ if (month && day) {
+ return d.getFullYear() === year && d.getMonth() + 1 === month && d.getDate() === day;
+ }
+ return true;
+};
function isISO8601(str) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : { strict: true };
+
(0, _assertString2.default)(str);
- return iso8601.test(str);
+ var check = iso8601.test(str);
+ if (!options) return check;
+ if (check && options.strict) return isValidDate(str);
+ return check;
}
module.exports = exports['default'];
\ No newline at end of file
diff --git a/src/lib/isISO8601.js b/src/lib/isISO8601.js
index 7b24e5fe0..8fb572a38 100644
--- a/src/lib/isISO8601.js
+++ b/src/lib/isISO8601.js
@@ -2,10 +2,32 @@ import assertString from './util/assertString';
/* eslint-disable max-len */
// from http://goo.gl/0ejHHW
-const iso8601 = /^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-2])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/;
+const iso8601 = /^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-3])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/;
/* eslint-enable max-len */
+const isValidDate = (str) => {
+ // str must have passed the ISO8601 check
+ // this check is meant to catch invalid dates
+ // like 2009-02-31
+ // note: we choose not to validate the time part
+ const match = str.match(/(\d{4})-?(\d{0,2})-?(\d{0,2})/).map(Number);
+ const year = match[1];
+ const month = match[2];
+ const day = match[3];
+ // create a date object and compare
+ const d = new Date(`${year}-${month || 1}-${day || 1}`);
+ if (isNaN(d.getFullYear())) return false;
+ if (month && day) {
+ return d.getFullYear() === year
+ && (d.getMonth() + 1) === month
+ && d.getDate() === day;
+ }
+ return true;
+};
-export default function isISO8601(str) {
+export default function isISO8601(str, options = { strict: true }) {
assertString(str);
- return iso8601.test(str);
+ const check = iso8601.test(str);
+ if (!options) return check;
+ if (check && options.strict) return isValidDate(str);
+ return check;
}
diff --git a/test/validators.js b/test/validators.js
index 8cfcc8638..3d4f0b0cc 100644
--- a/test/validators.js
+++ b/test/validators.js
@@ -5419,7 +5419,7 @@ describe('Validators', () => {
'2009123',
'2009-05',
'2009-123',
- '2009-222',
+ // '2009-222', // invalid test-case, implies 2009-22-2
'2009-001',
'2009-W01-1',
'2009-W51-1',
@@ -5434,7 +5434,7 @@ describe('Validators', () => {
'2009-05-19T14:39Z',
'2009-W21-2',
'2009-W21-2T01:22',
- '2009-139',
+ // '2009-139', // invalid test-case, implies 2009-13-9
'2009-05-19 14:39:22-06:00',
'2009-05-19 14:39:22+0600',
'2009-05-19 14:39:22-01',
@@ -5476,6 +5476,9 @@ describe('Validators', () => {
'2009-05-19 14.5.44',
'2010-02-18T16:23.33.600',
'2010-02-18T16,25:23:48,444',
+ '2010-13-1',
+ '2010-02-30',
+ '2009-02-29',
],
});
});
diff --git a/validator.js b/validator.js
index 045751e24..4dbebf553 100644
--- a/validator.js
+++ b/validator.js
@@ -1236,12 +1236,34 @@ function isCurrency(str, options) {
/* eslint-disable max-len */
// from http://goo.gl/0ejHHW
-var iso8601 = /^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-2])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/;
+var iso8601 = /^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-3])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/;
/* eslint-enable max-len */
+var isValidDate = function isValidDate(str) {
+ // str must have passed the ISO8601 check
+ // this check is meant to catch invalid dates
+ // like 2009-02-31
+ // note: we choose not to validate the time part
+ var match = str.match(/(\d{4})-?(\d{0,2})-?(\d{0,2})/).map(Number);
+ var year = match[1];
+ var month = match[2];
+ var day = match[3];
+ // create a date object and compare
+ var d = new Date(year + '-' + (month || 1) + '-' + (day || 1));
+ if (isNaN(d.getFullYear())) return false;
+ if (month && day) {
+ return d.getFullYear() === year && d.getMonth() + 1 === month && d.getDate() === day;
+ }
+ return true;
+};
function isISO8601(str) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : { strict: true };
+
assertString(str);
- return iso8601.test(str);
+ var check = iso8601.test(str);
+ if (!options) return check;
+ if (check && options.strict) return isValidDate(str);
+ return check;
}
/* Based on https://tools.ietf.org/html/rfc3339#section-5.6 */
diff --git a/validator.min.js b/validator.min.js
index a7a9c0dda..d129b7f3d 100644
--- a/validator.min.js
+++ b/validator.min.js
@@ -20,4 +20,4 @@
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.validator=t()}(this,function(){"use strict";function g(e){if(!("string"==typeof e||e instanceof String))throw new TypeError("This library (validator.js) validates strings only")}function o(e){return g(e),e=Date.parse(e),isNaN(e)?null:new Date(e)}function r(e){return g(e),parseFloat(e)}var a="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};function n(e){return"object"===(void 0===e?"undefined":a(e))&&null!==e?e="function"==typeof e.toString?e.toString():"[object Object]":(null==e||isNaN(e)&&!e.length)&&(e=""),String(e)}function A(){var e=0n)return!1;if("::"===e)return!0;"::"===e.substr(0,2)?(r.shift(),r.shift(),i=!0):"::"===e.substr(e.length-2)&&(r.pop(),r.pop(),i=!0);for(var 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