Difference in regex behavior between Perl and Python?
Apr 16, 2009 · There isn't a difference in the regexes, but there is a difference in what you are looking for. Your regex is capturing only "tickets." if it exists in both regexes. You probably …
Regex in python vs in perl. Regular expressions (regex) are a
Mar 29, 2023 · Python’s regex library is called re. It supports the majority of the regular expression syntax that is supported by Perl, including character classes, alternation, grouping, and...
whose regex is faster? python or perl - Stack Overflow
Jan 30, 2012 · In my experience, re2 is about 60% faster than the built-in re module in Python, and where it particularly shines is with "pathological" regex expressions that could take much …
regex - Text processing - Python vs Perl performance - Stack Overflow
Oct 9, 2012 · Regular expresions in Python are supplied via the module. Regular expressions in Perl has the built-in syntax and can be compiled as inlines (no function-call overhead cost). …
Comparing regular expressions in Perl, Python, and Emacs
See these notes for a comparison of how to use regular expressions for common tasks like searching and replacing in Perl and Python. The most basic regex features are the same in …
“The Dominance of Regular Expressions in Perl vs. Their …
1 day ago · In contrast, languages like Python rely on a C-based regex module (`re`), which is efficient but not as optimized for certain advanced patterns found in Perl’s PCRE. While both …
perlre - Perl regular expressions - Perldoc Browser
As of Perl 5.10.0, Perl supports several Python/PCRE-specific extensions to the regex syntax. While Perl programmers are encouraged to use the Perl-specific syntax, the following are also …
Regular expressions in Python and Perl - John D. Cook
Python supports essentially the same regular expression syntax as Perl, as far as the regular expressions themselves. However, the syntax for using regular expressions is substantially …
Compare the speed of Perl and Python regexes - Perl Maven
Jul 1, 2020 · Perl is about 8 times faster than Python. More complex Python regex. This regex is slightly more complex. This is an expression that would be quite difficult to implement without …
Perl vs. Python: Which One Suits Your Needs Better?
Apr 8, 2025 · Regular Expressions: Perl vs. Python. Perl was designed with text processing in mind, making regular expressions (regex) a core part of the language. It smoothly integrates …
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