svn commit: r1936844 - spamassassin/trunk/rulesrc/sandbox/fkento

Author: fkento
Date: Mon Aug  3 17:46:42 2026
New Revision: 1936844

Log:
Improve phone number obfuscation rule

* use bounded repetition counts

* require valid area code (must not start with 0 or 1, must not end with 11)

Modified:
   spamassassin/trunk/rulesrc/sandbox/fkento/20_phone_numbers.cf

Modified: spamassassin/trunk/rulesrc/sandbox/fkento/20_phone_numbers.cf
==============================================================================
--- spamassassin/trunk/rulesrc/sandbox/fkento/20_phone_numbers.cf	Mon Aug  3 16:18:06 2026	(r1936843)
+++ spamassassin/trunk/rulesrc/sandbox/fkento/20_phone_numbers.cf	Mon Aug  3 17:46:42 2026	(r1936844)
@@ -1,6 +1,6 @@
 uri           __MXG_HAS_PHONE04  /^tel:/
 
-body          __MXG_PHONE_OBFU  /(?!(1\W*)?\d{3}\W+\d{3}\W+\d{4})\b([1I][^a-zA-Z0-9]*)?[\dOIl]{3}[^a-zA-Z0-9]+[\dOIl]{3}[^a-zA-Z0-9]+[\dOIl]{4}\b/
+body          __MXG_PHONE_OBFU  /(?!\d{3}\W{1,30}\d{3}\W{1,30}\d{4})\b[2-9][\dOIl]{2}(?<![Il1]{2})[^a-zA-Z0-9]{1,30}[\dOIl]{3}[^a-zA-Z0-9]{1,30}[\dOIl]{4}\b/
 describe      __MXG_PHONE_OBFU  Has an obfuscated phone number