Fix #616

It's worth to note that we're fixing this problem
with the cost of slowing down the operation.

For me it's solid and it's an acceptable tradeoff,
but on large databases this could visibly decrease
the overall procedure execution speed

lib/wordmove/wpcli.rb

@@ -33,8 +33,11 @@ def wpcli_search_replace_command(context, config_key)
         [
           'wp search-replace',
           "--path=#{wpcli_config_path(context)}",
-          context.dig(:remote_options, config_key),
+          "\A#{context.dig(:remote_options, config_key)}\Z",
           context.dig(:local_options, config_key),
+          '--regex-delimiter="|"',
+          '--regex',
+          '--precise',
           '--quiet',
           '--skip-columns=guid',
           '--all-tables',