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  1. grepl("(?x)[Aa][Bb][Cc]x | [Aa][Bb][Cc]y", c("Abcx", "abCy"), perl=TRUE)
Success #stdin #stdout 0.46s 79168KB
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stdin 
Standard input is empty
stdout 
[1] TRUE TRUE
https://ideone.com/jbAq9U
language:
R (R 3.5.2)
created:
7 years ago
visibility:
public

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