# NOT RUN {
strings <- paste0("abc", 1:12)
strings
nice_nums(strings)
nice_nums(c("abc9def55", "abc10def7"))
nice_nums(c("01abc9def55", "5abc10def777", "99abc4def4"))
# }
# NOT RUN {
nice_nums(c("abc9def55", "abc10xyz7"))
# }
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