(string) lcFirst              (delimiter)
                      
    First word to uncapitalize, even if it was acronym.
Parameters:
| name | type | default | caption | 
|---|---|---|---|
| delimiter | string | '_' | Delimiter. | 
Returns:
- (string) — Uncapitalized String.
Author:
- StewEucen
Since:
- Version 1.0.0
Aliases:
- toLowerCaseFirst
Examples:
"StudlyCaps".lcFirst()   //=> "studlyCaps"
"UIView".lcFirst()       //=> "ui_View"