24 |
(?(-n) and (?(+n) relative references as conditions. |
(?(-n) and (?(+n) relative references as conditions. |
25 |
|
|
26 |
\K to reset the start of the matched string; for example, (foo)\Kbar |
\K to reset the start of the matched string; for example, (foo)\Kbar |
27 |
matches bar preceded by foo, but only sets bar as the matched string |
matches bar preceded by foo, but only sets bar as the matched string. |
28 |
|
|
29 |
|
(?| introduces a group where the capturing parentheses in each alternative |
30 |
|
start from the same number; for example, (?|(abc)|(xyz)) sets capturing |
31 |
|
parentheses number 1 in both cases. |
32 |
|
|
33 |
|
|
34 |
Release 7.1 24-Apr-07 |
Release 7.1 24-Apr-07 |