| 3 |
|
|
| 4 |
The perltest.pl script tests Perl's regular expressions; it has the same |
The perltest.pl script tests Perl's regular expressions; it has the same |
| 5 |
specification as pcretest, and so can be given identical input, except that |
specification as pcretest, and so can be given identical input, except that |
| 6 |
input patterns can be followed only by Perl's lower case modifiers and /+ (as |
input patterns can be followed only by Perl's lower case modifiers and certain |
| 7 |
used by pcretest), which is recognized and handled by the program. |
other pcretest modifiers that are either handled or ignored: |
| 8 |
|
|
| 9 |
|
/+ recognized and handled by perltest |
| 10 |
|
/++ the second + is ignored |
| 11 |
|
/8 recognized and handled by perltest |
| 12 |
|
/J ignored |
| 13 |
|
/K ignored |
| 14 |
|
/W ignored |
| 15 |
|
/S ignored |
| 16 |
|
/SS ignored |
| 17 |
|
|
| 18 |
The data lines are processed as Perl double-quoted strings, so if they contain |
The data lines are processed as Perl double-quoted strings, so if they contain |
| 19 |
" $ or @ characters, these have to be escaped. For this reason, all such |
" $ or @ characters, these have to be escaped. For this reason, all such |
| 20 |
characters in testinput1, testinput4, testinput6, and testinput11 are escaped |
characters in testinput1, testinput4, testinput6, and testinput11 are escaped |
| 21 |
so that they can be used for perltest as well as for pcretest. The special |
so that they can be used for perltest as well as for pcretest. The pcretest \Y |
| 22 |
upper case pattern modifiers such as /A that pcretest recognizes, and its |
escape in data lines is removed. |
| 23 |
special data line escapes, are not used in these files. The output should be |
|
| 24 |
identical, apart from the initial identifying banner. |
The special upper case pattern modifiers such as /A that pcretest recognizes, |
| 25 |
|
and its special data line escapes, are not used in these files. The output |
| 26 |
|
should be identical, apart from the initial identifying banner. |
| 27 |
|
|
| 28 |
The perltest.pl script can also test UTF-8 features. It recognizes the special |
The perltest.pl script can also test UTF-8 features. It recognizes the special |
| 29 |
modifier /8 that pcretest uses to invoke UTF-8 functionality. The testinput4 |
modifier /8 that pcretest uses to invoke UTF-8 functionality. The testinput4 |
| 30 |
and testinput6 files can be fed to perltest to run compatible UTF-8 tests. |
and testinput6 files can be fed to perltest to run compatible UTF-8 tests. |
| 31 |
However, it is necessary to add "use utf8;" to the script to make this work |
However, it is necessary to add "use utf8;" to the script to make this work |
| 32 |
correctly. |
correctly. |
| 33 |
|
|
| 34 |
The testinput11 file contains tests that use features of Perl 5.10, so does not |
The testinput11 file contains tests that use features of Perl 5.10, so does not |
| 35 |
work with Perl 5.8. |
work with Perl 5.8. |
| 36 |
|
|
| 37 |
The other testinput files are not suitable for feeding to perltest.pl, since |
The other testinput files are not suitable for feeding to perltest.pl, since |
| 40 |
regular expressions, in order to check that PCRE diagnoses them correctly. |
regular expressions, in order to check that PCRE diagnoses them correctly. |
| 41 |
|
|
| 42 |
Philip Hazel |
Philip Hazel |
| 43 |
October 2009 |
August 2011 |
Parent Directory
| 
Revision Log
| 
Patch