| 148 |
condition or test for a specific group recursion are not supported. |
condition or test for a specific group recursion are not supported. |
| 149 |
</P> |
</P> |
| 150 |
<P> |
<P> |
| 151 |
5. Callouts are supported, but the value of the <i>capture_top</i> field is |
5. Because many paths through the tree may be active, the \K escape sequence, |
| 152 |
|
which resets the start of the match when encountered (but may be on some paths |
| 153 |
|
and not on others), is not supported. It causes an error if encountered. |
| 154 |
|
</P> |
| 155 |
|
<P> |
| 156 |
|
6. Callouts are supported, but the value of the <i>capture_top</i> field is |
| 157 |
always 1, and the value of the <i>capture_last</i> field is always -1. |
always 1, and the value of the <i>capture_last</i> field is always -1. |
| 158 |
</P> |
</P> |
| 159 |
<P> |
<P> |
| 160 |
6. |
7. |
| 161 |
The \C escape sequence, which (in the standard algorithm) matches a single |
The \C escape sequence, which (in the standard algorithm) matches a single |
| 162 |
byte, even in UTF-8 mode, is not supported because the alternative algorithm |
byte, even in UTF-8 mode, is not supported because the alternative algorithm |
| 163 |
moves through the subject string one character at a time, for all active paths |
moves through the subject string one character at a time, for all active paths |
| 212 |
</P> |
</P> |
| 213 |
<br><a name="SEC8" href="#TOC1">REVISION</a><br> |
<br><a name="SEC8" href="#TOC1">REVISION</a><br> |
| 214 |
<P> |
<P> |
| 215 |
Last updated: 06 March 2007 |
Last updated: 29 May 2007 |
| 216 |
<br> |
<br> |
| 217 |
Copyright © 1997-2007 University of Cambridge. |
Copyright © 1997-2007 University of Cambridge. |
| 218 |
<br> |
<br> |
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