re = /^\w{3,16}$/mi
str = 'awesome
1232443242
34
45453.54
1
2
3342
43543
.co
coo
niceee
minecraftGamer23
co
_nicelol23__
T_T
1.2e3
awo!d
awesome'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html