Ruby match word in string

text = "A regular expression is a sequence of characters that define a search pattern."

puts 'Found "A" at the beginning of the string.' if text.match(/^A/)
puts 'Found "O" at the beginning of the string.' if text.match(/^O/)

puts 'Found the string "character".' if text.match(/character/)
puts 'Found the word "character".' if text.match(/character\b/)

Source: ruby-for-beginners.rubymonstas.org

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