SearchLink Regex Bug

#!/usr/bin/ruby

input = "[Brett](http://brettterpstra.com/) can't replicate [the](!g) issue."

input.gsub!(/\[(.*?)\]\((\!.+?)\)/) do |match|
    link_text = $1
    link_info = $2
    puts "link_text:"
    puts link_text
    puts "link_info:"
    puts link_info
    puts "\n"
end

input = "[Brett](http://brettterpstra.com/) can't replicate [the](!g) issue."

# Remove the `\!` from the regex
input.gsub!(/\[(.*?)\]\((.+?)\)/) do |match|
    link_text = $1
    link_info = $2

# Only match links starting with `!`
    if link_info[0,1] == '!'
        puts "This was a SearchLink link:"
        puts link_text
        puts link_info
        puts "\n"
    else
        puts "This was not a SearchLink link:"
        puts link_text
        puts link_info
        puts "\n"
    end
end

# Output:
# link_text:
# Brett](http://brettterpstra.com/) can't replicate [the
# link_info:
# !g
#
# This was not a SearchLink link:
# Brett
# http://brettterpstra.com/
#
# This was a SearchLink link:
# the
# !g
#