This module checks text and textarea fields on webforms for patterns that might indicate sensitive information. If a match is found, it warns the user before they submit the form.
This module allows for configuration of regular expressions that will be checked against text and textarea elements on webforms and caution the user against submitting sensitive information if the regular expressions match.
Credits
The initial (D7) version of this module was made by @tekante , with support from Phase2. The original code can be found on this github repo: https://github.com/phase2/webform-deter
The D8 port has support from Digital Services Georgia, and implemented by Lullabot.