Truncate string with Rails?

Question

I want to truncate a string as follows:

input:

string = \"abcd asfsa sadfsaf safsdaf aaaaaaaaaa aaaaaaaaaa ffffdffffdffffdffffddd\"

Answer 1

You can do almost the same without Rails:

text.gsub(/^(.{50,}?).*$/m,'\1...')

50 is the length you need.