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Paketbeschreibung


Paketnamelibregexp-grammars-perl
BeschreibungPerl module to add grammatical parsing features to Perl 5.10 regexes
Archiv/RepositoryOffizielles Debian Archiv squeeze (main)
Version1.005-1
Sektionperl
Prioritätoptional
Installierte Größe516 Byte
Hängt ab vonperl (>= 5.10.0)
Empfohlene Pakete
PaketbetreuerDebian Perl Group
Quelle
Paketgröße259240 Byte
Prüfsumme MD5ec2d110345208ff7891f9c3ff9017426
Prüfsumme SHA19b9ab6dc70c7b65ff8fdbb215981cca1759259fe
Prüfsumme SHA25618bed07b7e3cb6ed05566735dab7039d9c3dcf680a52de4d472584c300340a97
Link zum Herunterladenlibregexp-grammars-perl_1.005-1_all.deb
Ausführliche BeschreibungRegexp::Grammars adds a small number of new regex constructs that can be used within Perl 5.10 patterns to implement complete recursive-descent parsing. . Perl 5.10 already supports recursive=descent matching, via the new (?...) and (?&name) constructs. This technique makes it possible to use regexes to recognize complex, hierarchical--and even recursive-- textual structures. The problem is that Perl 5.10 doesn't provide any support for extracting that hierarchical data into nested data structures. In other words, using Perl 5.10 you can match complex data, but not parse it into an internally useful form. . An additional problem when using Perl 5.10 regexes to match complex data formats is that you have to make sure you remember to insert whitespace- matching constructs (such as \s*) at every possible position where the data might contain ignorable whitespace. This reduces the readability of such patterns, and increases the chance of errors (typically caused by overlooking a location where whitespace might appear). . The Regexp::Grammars module solves both those problems.


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