| Value | Meaning |
|---|---|
| BAD | |
| LOOK_AHEAD | (?...) Matches group ahead |
| LOOK_BEHIND | (...<...) Matches group behind |
| CHARACTERS | [...] Stores a set of characters (matches any) |
| ANCHOR_START | ^ Matches only if at the start of a line or the full text |
| ANCHOR_END | $ Matches only if at the end of a line or the full text |
| GROUP | (...) Stores a set of elements |
| ANY | . Matches any character |
| REFERENCE | ~\gn~ or $n (group) or %n (absolute) Refers to a group or element |
| RESET | \K \Kn. Resets match or group match |
| PUSHFW | n-> or |-> Moves the current text position forward |
| PUSHBW | <-n or <-| Moves the current text position backward |