11 lines
411 B
Ruby
11 lines
411 B
Ruby
p 'abcd'.start_with?('ab') #returns true
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p 'abcd'.end_with?('ab') #returns false
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p 'abab'.include?('bb') #returns false
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p 'abab'.include?('ab') #returns true
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p 'abab'['bb'] #returns nil
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p 'abab'['ab'] #returns "ab"
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p 'abab'.index('bb') #returns nil
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p 'abab'.index('ab') #returns 0
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p 'abab'.index('ab', 1) #returns 2
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p 'abab'.rindex('ab') #returns 2
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