codjo/codjo-util — pull request #6 by codjo-sandbox (2012-07-04 15:14:36+00:00)
Title: Add IpValidator class

## Description
```IpValidator``` class added to check if a string is an IP address using Regexp.

### Example
```java
@Test
public void test_ipValidator() throws Exception {
assertTrue(IpValidator.isValid("1.1.1.1"));
assertFalse(IpValidator.isValid("222.222.2.999"));
...
}

```