Comments (2)
tonco-miyazawa
commented on September 27, 2024
1
[PDF] Detail of this bug. ( in Japanese )
https://github.com/tonco-miyazawa/regex_etc/blob/master/MEMO_Onigmo/absense_bug_detai.pdf
from onigmo.
hmmnrst
commented on September 27, 2024
1
A very simple case is /(?~.*)/ . It should be equivalent to empty language ∅ (or /(?~)/) because /.*/ matches to "" and any string contains the empty string, but is not.
# Using Ruby 3.1.2
str = "abcdef"
p /(?~.*)/.match(str) #=> #<MatchData "abc">from onigmo.
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