| Sr.No. | Example & Description |
|---|---|
| 1 | R(?#comment) Matches "R". All the rest is a comment |
| 2 | R(?i)uby Case-insensitive while matching "uby" |
| 3 | R(?i:uby) Same as above |
| 4 | rub(?:y|le)) Group only without creating \1 backreference |
| Sr.No. | Example & Description |
|---|---|
| 1 | R(?#comment) Matches "R". All the rest is a comment |
| 2 | R(?i)uby Case-insensitive while matching "uby" |
| 3 | R(?i:uby) Same as above |
| 4 | rub(?:y|le)) Group only without creating \1 backreference |