- * When isRegEx is false:
- * Checks that the string does NOT match ANY inverted rules (prefixed by '!'), then checks that
- * it matches AT LEAST one normal (non-inverted) rule.
+ * Allows compatibility with date/time fields that may or may not be in Unix epoch format,
+ * localizing if possible, leaving alone if not.
+ *
+ * @param possibleEpochDate Date/time that might be in seconds since Unix epoch format
+ * @param dateFormat Desired format of the date/time string
+ * @param useUTC If true, use UTC timezone, otherwise use local time
+ * @return Localized date/time if parse succeeded, otherwise the source string
+ */
+COMMON_EXPORT QString tryFormatUnixEpoch(const QString& possibleEpochDate,
+ Qt::DateFormat dateFormat = Qt::DateFormat::TextDate,
+ bool useUTC = false);
+
+/**
+ * Format the given date/time in ISO 8601 format with timezone offset