| 18 |
<P> |
<P> |
| 19 |
This document describes the differences in the ways that PCRE and Perl handle |
This document describes the differences in the ways that PCRE and Perl handle |
| 20 |
regular expressions. The differences described here are with respect to Perl |
regular expressions. The differences described here are with respect to Perl |
| 21 |
5.10/5.11. |
versions 5.10 and above. |
| 22 |
</P> |
</P> |
| 23 |
<P> |
<P> |
| 24 |
1. PCRE has only a subset of Perl's UTF-8 and Unicode support. Details of what |
1. PCRE has only a subset of Perl's UTF-8 and Unicode support. Details of what |
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an error is given at compile time. |
an error is given at compile time. |
| 114 |
</P> |
</P> |
| 115 |
<P> |
<P> |
| 116 |
12. PCRE provides some extensions to the Perl regular expression facilities. |
12. Perl recognizes comments in some places that PCRE doesn't, for example, |
| 117 |
|
between the ( and ? at the start of a subpattern. |
| 118 |
|
</P> |
| 119 |
|
<P> |
| 120 |
|
13. PCRE provides some extensions to the Perl regular expression facilities. |
| 121 |
Perl 5.10 includes new features that are not in earlier versions of Perl, some |
Perl 5.10 includes new features that are not in earlier versions of Perl, some |
| 122 |
of which (such as named parentheses) have been in PCRE for some time. This list |
of which (such as named parentheses) have been in PCRE for some time. This list |
| 123 |
is with respect to Perl 5.10: |
is with respect to Perl 5.10: |
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REVISION |
REVISION |
| 187 |
</b><br> |
</b><br> |
| 188 |
<P> |
<P> |
| 189 |
Last updated: 12 May 2010 |
Last updated: 31 October 2010 |
| 190 |
<br> |
<br> |
| 191 |
Copyright © 1997-2010 University of Cambridge. |
Copyright © 1997-2010 University of Cambridge. |
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<br> |
<br> |