这是我的代码:
loop do
print "Input word: "
word = gets.chomp
if word.nil? or word.empty?
puts "Nothing to input."
else
if word.index(":") != -1
puts "Illegal character ':'"
else
break
end
end
end
是否有更优雅的方式来检查输入字符串?
最佳答案
是这样的吗?
loop do
print "Input word: "
word = gets.chomp
if word.empty?
puts "No input."
elsif word.include?(":")
puts "Illegal character ':'"
else
break
end
end
关于ruby - 如何检查我的输入字符串?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/6407834/