There are two types of alternation in Raku's regex: the | and ||. What is the difference ?
say 'foobar' ~~ / foo || foobar / # ｢foo｣
say 'foobar' ~~ / foo | foobar / # ｢foobar｣
Difference between single pipe and double pipe in Raku Regex (| Vs ||)
293 Views Asked by Tinmarino At
1
There are 1 best solutions below
Related Questions in RAKU
- Use of colon in method and function calls in Perl 6
- How do I create a symbolic link in Perl 6?
- How to build lazy lists with defined generators and is there a "takeWhile" alternative?
- NativeCall code for using Posix forking and piping is not working
- perl6 Unable to initialize a state variable. Help needed
- perl6 How to use adverbs as variables?
- perl6 How to read from stdin and take command line args?
- Does an anonymous parameter in a Perl 6 signature discard the value?
- perl6 what is the best way to enter multiple multi-line here-docs from $*IN
- perl6 How to re-open $*IN for input?
- Simple non-blocking web server
- Why do Perl 6 state variable behave differently for different files?
- perl6-debug-m spawning moar till system thrashes
- How can I call .WHY on a subroutine in a class in Perl 6?
- How can you search Unicode codepoints by name in Perl6?
Related Questions in NQP
- Is there a way to deal with Unix sockets in Perl 6?
- What are nqp, nqp-m, rakudo-debug, rakudo-debug-m, rakudo-gdb-m, rakudo-m, rakudo-valgrind-m?
- Binding of private attributes: nqp::bindattr vs :=
- It is possible to write NQP's precedence parser in Raku
- Difference between single pipe and double pipe in Raku Regex (| Vs ||)
- How to print an object, type in nqp
- How to reuse a language token in a custom Grammar (Raku)
- How to override the NQPMatch.Str function
- How to remove a multi method in Raku
- Strings and Strands in MoarVM
- Obtaining the Pod of a module without explicitly exporting it
- Obtaining the QAST of a Perl 6 file from another program
- How to tell the difference between types of nqp iterators
- Is it possible to run a sub-grammar inside a grammar nqp?
- Coercion/type checking: manually reproduce Perl6 standards
Trending Questions
- UIImageView Frame Doesn't Reflect Constraints
- Is it possible to use adb commands to click on a view by finding its ID?
- How to create a new web character symbol recognizable by html/javascript?
- Why isn't my CSS3 animation smooth in Google Chrome (but very smooth on other browsers)?
- Heap Gives Page Fault
- Connect ffmpeg to Visual Studio 2008
- Both Object- and ValueAnimator jumps when Duration is set above API LvL 24
- How to avoid default initialization of objects in std::vector?
- second argument of the command line arguments in a format other than char** argv or char* argv[]
- How to improve efficiency of algorithm which generates next lexicographic permutation?
- Navigating to the another actvity app getting crash in android
- How to read the particular message format in android and store in sqlite database?
- Resetting inventory status after order is cancelled
- Efficiently compute powers of X in SSE/AVX
- Insert into an external database using ajax and php : POST 500 (Internal Server Error)
Popular Questions
- How do I undo the most recent local commits in Git?
- How can I remove a specific item from an array in JavaScript?
- How do I delete a Git branch locally and remotely?
- Find all files containing a specific text (string) on Linux?
- How do I revert a Git repository to a previous commit?
- How do I create an HTML button that acts like a link?
- How do I check out a remote Git branch?
- How do I force "git pull" to overwrite local files?
- How do I list all files of a directory?
- How to check whether a string contains a substring in JavaScript?
- How do I redirect to another webpage?
- How can I iterate over rows in a Pandas DataFrame?
- How do I convert a String to an int in Java?
- Does Python have a string 'contains' substring method?
- How do I check if a string contains a specific word?
The || is the old alternation behaviour: try alternation from the first declared to the last
The | try alternation from the longest to the shortest declarative atom. It is called the Longest Token Matching Spec strategy.
More detailed answer in this post