Remove obsolete pcre code

[privoxy.git] / pcre / doc / perltest.txt

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-The perltest program\r
---------------------\r
-\r
-The perltest program tests Perl's regular expressions; it has the same\r
-specification as pcretest, and so can be given identical input, except that\r
-input patterns can be followed only by Perl's lower case modifiers and /+ (as\r
-used by pcretest), which is recognized and handled by the program.\r
-\r
-The data lines are processed as Perl double-quoted strings, so if they contain\r
-" \ $ or @ characters, these have to be escaped. For this reason, all such\r
-characters in testinput1 and testinput3 are escaped so that they can be used\r
-for perltest as well as for pcretest, and the special upper case modifiers such\r
-as /A that pcretest recognizes are not used in these files. The output should\r
-be identical, apart from the initial identifying banner.\r
-\r
-For testing UTF-8 features, an alternative form of perltest, called perltest8,\r
-is supplied. This requires Perl 5.6 or higher. It recognizes the special\r
-modifier /8 that pcretest uses to invoke UTF-8 functionality. The testinput5\r
-file can be fed to perltest8.\r
-\r
-The testinput2 and testinput4 files are not suitable for feeding to perltest,\r
-since they do make use of the special upper case modifiers and escapes that\r
-pcretest uses to test some features of PCRE. The first of these files also\r
-contains malformed regular expressions, in order to check that PCRE diagnoses\r
-them correctly. Similarly, testinput6 tests UTF-8 features that do not relate\r
-to Perl.\r
-\r
-Philip Hazel <ph10@cam.ac.uk>\r
-August 2000\r