The gsub method returns a modified string leaving the original string unchanged whereas the gsub.
Ruby string replace special characters.
If it s a matching quote character don t end the string.
The simplest string literals are enclosed in single quotes the apostrophe character.
These methods take two arguments the search string and the replacement string.
If it s a hash sign don t start an interpolation block.
ɑωϕβσπ these are characters from the greek alphabet which can t be displayed using ascii.
Ruby program that uses gsub with regexp value quickly slowly or happily replace all word sending with ly with a string.
Now we can include characters from all sorts of languages new symbols even emojis.
Methods provide another quick and easy way of replacing a substring with another string.
Sometimes it s useful to work with the individual characters of a string.
A string object in ruby holds and manipulates an arbitrary sequence of one or more bytes typically representing characters that represent human language.
Ly the lowercase substring ly.
That s a lot more space than ascii.
Unicode is a string encoding system that can represent up to a million different characters.
The following example demonstrates this use of backslash to escape special characters.
Value gsub w ly rep puts value output rep rep or rep regexp pattern w one or more word characters.
The text within the quote marks is the value of the string this is a simple ruby string literal.
Rubyguides each char ch puts ch you can also use the chars method to convert the string into an array of characters.
Iterate over characters of a string in ruby.
Method directly modify the string object on which the method was called.