peachpiecompiler / peachpie-perlregex Goto Github PK
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License: MIT License
RegEx for PeachPie platform
License: MIT License
I do get the following warning, compiling Laminas:
warning PHP5031: PCRE pattern parse error: Unrecognized grouping construct. at offset 5
laminas\laminas-http\src\Header\AbstractAccept.php
preg_match(
'/^(?|([^"-]*)|"([^"]*)")-(?|([^"-]*)|"([^"]*)")\z/',
$value,
$pieces
);
The issue seems to be with branch reset groups.
regex101:
https://regex101.com/r/GhhsXu/1/
following pattern causes parser to crash
"$"
following pcre fails to parse:
/^\p{Arabic}/u
Pattern 1:
/(?(DEFINE)(?<V>[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+))^(?&V)(?:\\(?&V))*+(?: \$(?&V))?$/
in \vendor\symfony\framework-bundle\Command\ContainerDebugCommand.php
Pattern 2:
{\(([^()]|(?R))*\)}A
in vendor\symfony\mailer\Transport.php
the following pattern is correct, although it throws A subtraction must be the last element in a character class.
/^[ !#-[\]-~]*\z/
Example:
var_dump(preg_match('/^[ !#-[\]-~]*\z/', $subject));
we'd need to remove character class subtraction, because it's allowed in .NET but not in PCRE. E.g. [a-z-[aeiuo]]
has a different meaning in each of them - while in .NET it matches b
, in PCRE it matches -]
.
Originally posted by @roberthusak in #5 (comment)
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