Ruby String Replace Special Characters

The text within the quote marks is the value of the string this is a simple ruby string literal.

Ruby string replace special characters.

A string object in ruby holds and manipulates an arbitrary sequence of one or more bytes typically representing characters that represent human language. One way to do that is to use the each char method. That s a lot more space than ascii. The gsub method returns a modified string leaving the original string unchanged whereas the gsub.

Value gsub w ly rep puts value output rep rep or rep regexp pattern w one or more word characters. Now we can include characters from all sorts of languages new symbols even emojis. The following example demonstrates this use of backslash to escape special characters. Rubyguides each char ch puts ch you can also use the chars method to convert the string into an array of characters.

Methods provide another quick and easy way of replacing a substring with another string. ɑωϕβσπ these are characters from the greek alphabet which can t be displayed using ascii. The gsub and gsub. These methods take two arguments the search string and the replacement string.

Ly the lowercase substring ly. The backslash character tells ruby to ignore any special meaning the next character may have. If it s a matching quote character don t end the string. Method directly modify the string object on which the method was called.

Unicode is a string encoding system that can represent up to a million different characters. If it s a hash sign don t start an interpolation block. Iterate over characters of a string in ruby.