Makes it easier to access parts of a string, such as specific characters and substrings.

Methods
A
F
L
T
Instance Public methods
at(position)

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) # => nil

Source: show 

# File rails/activesupport/lib/active_support/core_ext/string/access.rb, line 12
def at(position)
  chars[position, 1].to_s
end
first(limit = 1)

Returns the first character of the string or the first limit characters.

Examples:

"hello".first     # => "h"
"hello".first(2)  # => "he"
"hello".first(10) # => "hello"

Source: show 

# File rails/activesupport/lib/active_support/core_ext/string/access.rb, line 42
def first(limit = 1)
  chars[0..(limit - 1)].to_s
end
from(position)

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

Examples:

"hello".from(0)  # => "hello"
"hello".from(2)  # => "llo"
"hello".from(10) # => nil

Source: show 

# File rails/activesupport/lib/active_support/core_ext/string/access.rb, line 22
def from(position)
  chars[position..-1].to_s
end
last(limit = 1)

Returns the last character of the string or the last limit characters.

Examples:

"hello".last     # => "o"
"hello".last(2)  # => "lo"
"hello".last(10) # => "hello"

Source: show 

# File rails/activesupport/lib/active_support/core_ext/string/access.rb, line 52
def last(limit = 1)
  (chars[(-limit)..-1] || self).to_s
end
to(position)

Returns the beginning of the string up to the position treating the string as an array (where 0 is the first character).

Examples:

"hello".to(0)  # => "h"
"hello".to(2)  # => "hel"
"hello".to(10) # => "hello"

Source: show 

# File rails/activesupport/lib/active_support/core_ext/string/access.rb, line 32
def to(position)
  chars[0..position].to_s
end