Makes it easier to access parts of a string, such as specific characters and substrings.
Methods
Public Instance methods
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
[ show source ]
# File vendor/rails/activesupport/lib/active_support/core_ext/string/access.rb, line 12 12: def at(position) 13: chars[position, 1].to_s 14: end
Returns the first character of the string or the first limit characters.
Examples:
"hello".first # => "h" "hello".first(2) # => "he" "hello".first(10) # => "hello"
[ show source ]
# File vendor/rails/activesupport/lib/active_support/core_ext/string/access.rb, line 42 42: def first(limit = 1) 43: chars[0..(limit - 1)].to_s 44: end
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
[ show source ]
# File vendor/rails/activesupport/lib/active_support/core_ext/string/access.rb, line 22 22: def from(position) 23: chars[position..-1].to_s 24: end
Returns the last character of the string or the last limit characters.
Examples:
"hello".last # => "o" "hello".last(2) # => "lo" "hello".last(10) # => "hello"
[ show source ]
# File vendor/rails/activesupport/lib/active_support/core_ext/string/access.rb, line 52 52: def last(limit = 1) 53: (chars[(-limit)..-1] || self).to_s 54: end
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"
[ show source ]
# File vendor/rails/activesupport/lib/active_support/core_ext/string/access.rb, line 32 32: def to(position) 33: chars[0..position].to_s 34: end