Function startsWithIgnoreCase

startsWithIgnoreCase(text?, prefix?): boolean
Returns whether the given string starts with the prefix, case-insensitive
Parameters
- Optionaltext: null | string
  the source string to check
- Optionalprefix: null | string
  the target string to compare
Returns boolean
whether the given string starts with the prefix, case-insensitive
Example
```
startsWithIgnoreCase('foobar', 'FOO');    // true
startsWithIgnoreCase('hello', 'BAR');    // false
```