| 24 |
(?(-n) and (?(+n) relative references as conditions. |
(?(-n) and (?(+n) relative references as conditions. |
| 25 |
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| 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 |
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| 29 |
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(?| introduces a group where the capturing parentheses in each alternative |
| 30 |
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start from the same number; for example, (?|(abc)|(xyz)) sets capturing |
| 31 |
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parentheses number 1 in both cases. |
| 32 |
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| 33 |
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\h, \H, \v, \V match horizontal and vertical whitespace, respectively. |
| 34 |
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| 35 |
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| 36 |
Release 7.1 24-Apr-07 |
Release 7.1 24-Apr-07 |