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How to extract number from string in Ruby



263 views
asked Nov 8, 2020 by avibootz
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2 Answers

0 votes 
s = "ruby 3 Implementation in x"

arr = s.scan(/\d/).join('')

puts arr




# run:
#
# 3
#

 



answered Nov 8, 2020 by avibootz
0 votes 
s = "ruby 272 Implementation in x"

arr = s.gsub(/[^0-9]/, '')

puts arr




# run:
#
# 272
#

 



answered Nov 8, 2020 by avibootz

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