Function replaceAll

replaceAll(text?, search?, replace?): string | undefined | null
Returns the string that replaced all occurrences in the given text
Parameters
- Optionaltext: null | string
  the text to inspect
- Optionalsearch: null | string | RegExp
  the string or regex to match
- Optionalreplace: null | string
  the expected replacement string
Returns string | undefined | null
the string that replaced all occurrences in the given text
Example
```
replaceAll(undefined, undefined, undefined);    // undefined
replaceAll('foobar-foobar', undefined, 'hello');    // 'foobar-foobar'
replaceAll('foobar-foobar', 'foobar', 'hello');    // 'hello-hello'
```