#rep(/(<span class="unimportant"> *\(Random Image\).*?<img class="post-image" src=)"http://cdn.syn-ch.com/thumb/\d{3}/\d{2}/\d{2}/\d{10}-[a-z0-9]{5}\.png" alt=""/ig,$1"http://icons-watermarks.s3.amazonaws.com/simple-black/bfa/bfa_random/bfa_random_simple-black_128x128.png" alt="")