method

at

v3.1.0 - Show latest stable - Class: String

at(position)

public

Returns the character at the position treating the string as an array (where 0 is the first character).

Examples:

"hello".at(0)  # => "h"
"hello".at(4)  # => "o"
"hello".at(10) # => ERROR if < 1.9, nil in 1.9

# File activesupport/lib/active_support/core_ext/string/access.rb, line 11
    def at(position)
      mb_chars[position, 1].to_s
    end