About regexp

ruby-talk
1

"aaabbxccc".sub(/bb(.)c/, "\\1.upcase")

=> "aaax.upcasecc" # I expect 'aaaXcc'

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# Help Me^^
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2

# >> "aaabbxccc".sub(/bb(.)c/, "\\1.upcase")
# => "aaax.upcasecc" # I expect 'aaaXcc'

consider,

"\\1.upcase"

=> "\\1.upcase"

"\\1".upcase

=> "\\1"

try,

"aaabbxccc".sub(/bb(.)c/) {$1.upcase}

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From: Kyung won Cheon [mailto:kdream95@gmerce.co.kr]

3

Kyung won Cheon wrote:

"aaabbxccc".sub(/bb(.)c/, "\\1.upcase")

=> "aaax.upcasecc" # I expect 'aaaXcc'

>>> "aaabbxccc".sub(/bb(.)c/) {$1.upcase}
=> "aaaXcc"

···

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       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407