Ruby/String/insert
Материал из Wiki.crossplatform.ru
Add a word (plus a space)
"Be careful!".insert 3, "very " # => "Be very careful!"
Inserting a String in a String
The insert method lets you insert another string at a given index in a string. "Be carful.".insert 6, "e"
throw the * method in
"Be careful!".insert 3, "very " * 5
