Method: String#to

Defined in:
lib/active_support/core_ext/string/access.rb

#to(position) ⇒ Object

Returns a substring from the beginning of the string to the given position. If the position is negative, it is counted from the end of the string.

str = "hello"
str.to(0)  # => "h"
str.to(3)  # => "hell"
str.to(-2) # => "hell"

You can mix it with from method and do fun things like:

str = "hello"
str.from(0).to(-1) # => "hello"
str.from(1).to(-2) # => "ell"
[View source]

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# File 'lib/active_support/core_ext/string/access.rb', line 63

def to(position)
  position += size if position < 0
  self[0, position + 1] || +""
end