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Can the Email Security Gateway use regular expressions that are case sensitive?

  • Type: Knowledgebase
  • Date changed: 10 months ago
Solution #00001724

This applies to all Email Security Gateway firmwares 3.3.x and above.

All matches are case-insensitive. All regular expressions are converted to lower-case before use, as is the text against which it is being matched. For this reason, none of the capital letter character classes need be used.

Additional Notes:
For more help on writing regular expressions for the Email Security Gateway, see Solution #00003273.

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