While this is something I'm generally curious of, especially with regex vulnerabilities being such a hot topic in software right now. See, for example, the regex issue last week that caused Stack Overflow to go down [0]. That aside, my concern stems solely from being a 1Password customer.

[0]: Stack Overflow Outage Postmortem https://news.ycombinator.com/item?id=12131909

Then say that as a hypothesis and stop asking leading questions (which are blaming in nature) from people who make it their business.