Build, test, and debug regular expressions
This case-insensitive pattern matches the literal string 'rigby' in any letter casing, such as 'Rigby', 'RIGBY', or 'rigby'. It is useful for searching text for mentions of the name Rigby, which could refer to the raccoon character from Regular Show, the surname (as in Eleanor Rigby), or place names like Rigby, Idaho. Commonly used for simple text search, content filtering, or name detection tasks.