diff --git a/README.md b/README.md
index 1833bbc86..d92811cfe 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,7 @@ Here is a list of the validators currently available.
Validator | Description
--------------------------------------- | --------------------------------------
-***contains(str, seed)*** | check if the string contains the seed.
+**contains(str, seed [, options ])** | check if the string contains the seed.
`options` is an object that defaults to `{ ignoreCase: false}`.
`ignoreCase` specified whether the case of the substring be same or not.
**equals(str, comparison)** | check if the string matches the comparison.
**isAfter(str [, date])** | check if the string is a date that's after the specified date (defaults to now).
**isAlpha(str [, locale])** | check if the string contains only letters (a-zA-Z).
Locale is one of `['ar', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', 'ar-LY', 'ar-MA', 'ar-QA', 'ar-QM', 'ar-SA', 'ar-SD', 'ar-SY', 'ar-TN', 'ar-YE', 'bg-BG', 'cs-CZ', 'da-DK', 'de-DE', 'el-GR', 'en-AU', 'en-GB', 'en-HK', 'en-IN', 'en-NZ', 'en-US', 'en-ZA', 'en-ZM', 'es-ES', 'fr-FR', 'fa-IR', 'he', 'hu-HU', 'it-IT', 'ku-IQ', 'nb-NO', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-BR', 'pt-PT', 'ru-RU', 'sl-SI', 'sk-SK', 'sr-RS', 'sr-RS@latin', 'sv-SE', 'tr-TR', 'uk-UA']`) and defaults to `en-US`. Locale list is `validator.isAlphaLocales`.
diff --git a/es/lib/contains.js b/es/lib/contains.js
index 10bd66860..663b96718 100644
--- a/es/lib/contains.js
+++ b/es/lib/contains.js
@@ -1,6 +1,11 @@
import assertString from './util/assertString';
import toString from './util/toString';
-export default function contains(str, elem) {
+import merge from './util/merge';
+var defaulContainsOptions = {
+ ignoreCase: false
+};
+export default function contains(str, elem, options) {
assertString(str);
- return str.indexOf(toString(elem)) >= 0;
+ options = merge(options, defaulContainsOptions);
+ return options.ignoreCase ? str.toLowerCase().indexOf(toString(elem).toLowerCase()) >= 0 : str.indexOf(toString(elem)) >= 0;
}
\ No newline at end of file
diff --git a/lib/contains.js b/lib/contains.js
index b02fda2cd..c67e0c726 100644
--- a/lib/contains.js
+++ b/lib/contains.js
@@ -9,11 +9,18 @@ var _assertString = _interopRequireDefault(require("./util/assertString"));
var _toString = _interopRequireDefault(require("./util/toString"));
+var _merge = _interopRequireDefault(require("./util/merge"));
+
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-function contains(str, elem) {
+var defaulContainsOptions = {
+ ignoreCase: false
+};
+
+function contains(str, elem, options) {
(0, _assertString.default)(str);
- return str.indexOf((0, _toString.default)(elem)) >= 0;
+ options = (0, _merge.default)(options, defaulContainsOptions);
+ return options.ignoreCase ? str.toLowerCase().indexOf((0, _toString.default)(elem).toLowerCase()) >= 0 : str.indexOf((0, _toString.default)(elem)) >= 0;
}
module.exports = exports.default;
diff --git a/src/lib/contains.js b/src/lib/contains.js
index fd8c578de..ec083fa18 100644
--- a/src/lib/contains.js
+++ b/src/lib/contains.js
@@ -1,7 +1,15 @@
import assertString from './util/assertString';
import toString from './util/toString';
+import merge from './util/merge';
-export default function contains(str, elem) {
+const defaulContainsOptions = {
+ ignoreCase: false,
+};
+
+export default function contains(str, elem, options) {
assertString(str);
- return str.indexOf(toString(elem)) >= 0;
+ options = merge(options, defaulContainsOptions);
+ return options.ignoreCase ?
+ str.toLowerCase().indexOf(toString(elem).toLowerCase()) >= 0 :
+ str.indexOf(toString(elem)) >= 0;
}
diff --git a/test/validators.js b/test/validators.js
index 6688139cf..0caf824fd 100755
--- a/test/validators.js
+++ b/test/validators.js
@@ -3520,6 +3520,15 @@ describe('Validators', () => {
valid: ['foo', 'foobar', 'bazfoo'],
invalid: ['bar', 'fobar'],
});
+
+ test({
+ validator: 'contains',
+ args: ['foo', {
+ ignoreCase: true,
+ }],
+ valid: ['Foo', 'FOObar', 'BAZfoo'],
+ invalid: ['bar', 'fobar', 'baxoof'],
+ });
});
it('should validate strings against a pattern', () => {