String Manipulation
Print a string :
irb(main):001:0> Puts " this is ruby"If you find out the length of string :
irb(main):001:0> Puts "this is ruby ".length
Use uppercase letter print on screen :
irb(main):001:0> Puts " this is ruby" .upcase
Method of String testing :
Expression O/P
"Ruby"+Ruby RubyRuby
"Ruby".capitalize Ruby
"Ruby".downcase ruby
"Ruby".upcase RUBY
"Ruby".chop Rub
"Ruby".next Rub
"Ruby".reverse ybuR
"Ruby".sum
"Ruby"_swapcase ybuR
"Ruby".up case.reverse YBUR
"Ruby".up case.reverse.next RUBZ
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