Unsupported Regex Patterns in DLP

When creating a DLP rule using regular expressions (regex), the following patterns are not supported.

• Regular expressions with a length shorter than three characters are not supported.

• The system also blocks the following regex patterns, as they may cause inefficient or inaccurate matching:

  [
  ".",
  ".*",
  ".+",
  ".?",
  ".{0,}",
  ".*?",
  ".+?",
  "[\s\S]",
  "[\s\S]+",
  "[\w\W]",
  "[\w\W]+",
  "\s*",
  "\S*",
  "\w*",
  "\W*",
  "\d*",
  "\D*",
  "\s+",
  "\S+",
  "\w+",
  "\W+",
  "\d+",
  "\D+",
  ]