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Replace the first regex match in a string with a static string
Transform 
ruby
erlang
erlang 12B3+
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"Red Green Blue" into "R*d Green Blue" by replacing /e/ with "*"
p "Red Green Blue".sub(/e/,'*')
{ok, Replaced, _} = regexp:sub("Red Green Blue", "e", "*"),
re:replace("Red Green Blue", "e", "*", [{return, list}]).
Submit a new solution for ruby, csharp, or erlang
There are 12 other solutions in additional languages (clojure, cpp, fantom, fsharp ...)
