The index method returns the index location of a matching substring. : index « String « Ruby

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Ruby » String » index   The index method returns the index location of a matching substring. So if you use index like this: line = "A horse! a horse! my kingdom for a horse!" puts line.index("k")   Related examples in the same category 1.  line[line.index("k")] 2.  Index and last index a pattern 3.  Replace first vowel with an asterisk

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