in src/main/java/com/intellij/internal/statistic/eventLog/validator/rules/impl/ExpressionValidationRule.java [38:43]
private ValidationResultType validateEscaped(@NotNull String escapedData, @NotNull EventContext context) {
if (acceptPrefix(escapedData) && acceptSuffix(escapedData)) {
return myRule.validate(escapedData.substring(myPrefix.length(), escapedData.length() - mySuffix.length()), context);
}
return ValidationResultType.REJECTED;
}