diff -r c69670b7b4ef -r 98be80d2e65b src/CLIParser.h
--- a/src/CLIParser.h	Tue May 11 18:30:50 2021 +0200
+++ b/src/CLIParser.h	Tue May 11 20:42:22 2021 +0200
@@ -36,8 +36,28 @@
 		else throw relpipe::cli::RelpipeCLIException(L"Missing CLI argument" + (i > 0 ? (L" after " + arguments[i - 1]) : L""), relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
 	}
 
+	/**
+	 * TODO: use a common method
+	 */
+	bool parseBoolean(const relpipe::common::type::StringX& value) {
+		if (value == L"true") return true;
+		else if (value == L"false") return false;
+		else throw relpipe::cli::RelpipeCLIException(L"Unable to parse boolean value: " + value + L" (expecting true or false)", relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
+	}
+
+	RelationConfiguration::ENTITY parseEntity(const relpipe::common::type::StringX& value) {
+		if (value == L"relation") return RelationConfiguration::ENTITY::RELATION;
+		else if (value == L"attribute") return RelationConfiguration::ENTITY::ATTRIBUTE;
+		else if (value == L"value") return RelationConfiguration::ENTITY::VALUE;
+		else throw relpipe::cli::RelpipeCLIException(L"Unable to parse entity value: " + value + L" (expecting „relation“, „attribute“ or „value“)", relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
+	}
+
 	void addRelation(Configuration& c, RelationConfiguration& currentRelation) {
 		if (currentRelation.relation.size()) {
+			using E = RelationConfiguration::ENTITY;
+			currentRelation.relationPattern = currentRelation.caseSensitive[E::RELATION] ? std::wregex(currentRelation.relation) : std::wregex(currentRelation.relation, std::regex_constants::icase);
+			currentRelation.attributePattern = currentRelation.caseSensitive[E::ATTRIBUTE] ? std::wregex(currentRelation.attribute) : std::wregex(currentRelation.attribute, std::regex_constants::icase);
+			currentRelation.valuePattern = currentRelation.caseSensitive[E::VALUE] ? std::wregex(currentRelation.value) : std::wregex(currentRelation.value, std::regex_constants::icase);
 			c.relationConfigurations.push_back(currentRelation);
 			currentRelation = RelationConfiguration();
 		}
@@ -48,6 +68,8 @@
 	static const relpipe::common::type::StringX OPTION_RELATION;
 	static const relpipe::common::type::StringX OPTION_ATTRIBUTE;
 	static const relpipe::common::type::StringX OPTION_PATTERN;
+	static const relpipe::common::type::StringX OPTION_CASE_SENSITIVE;
+	static const relpipe::common::type::StringX OPTION_INVERT_MATCH;
 
 	Configuration parse(const std::vector<relpipe::common::type::StringX>& arguments) {
 		Configuration c;
@@ -59,11 +81,16 @@
 			if (option == OPTION_RELATION) {
 				addRelation(c, currentRelation); // previous relation
 				currentRelation.relation = readNext(arguments, i);
-				currentRelation.relationPattern = std::wregex(currentRelation.relation);
 			} else if (option == OPTION_ATTRIBUTE) {
-				currentRelation.attributePattern = std::wregex(readNext(arguments, i));
+				currentRelation.attribute = readNext(arguments, i);
 			} else if (option == OPTION_PATTERN) {
-				currentRelation.valuePattern = std::wregex(readNext(arguments, i));
+				currentRelation.value = readNext(arguments, i);
+			} else if (option == OPTION_CASE_SENSITIVE) {
+				RelationConfiguration::ENTITY entity = parseEntity(readNext(arguments, i));
+				currentRelation.caseSensitive[entity] = parseBoolean(readNext(arguments, i));
+			} else if (option == OPTION_INVERT_MATCH) {
+				RelationConfiguration::ENTITY entity = parseEntity(readNext(arguments, i));
+				currentRelation.invertMatch[entity] = parseBoolean(readNext(arguments, i));
 			} else throw relpipe::cli::RelpipeCLIException(L"Unsupported CLI option: " + option, relpipe::cli::CLI::EXIT_CODE_BAD_CLI_ARGUMENTS);
 		}
 		addRelation(c, currentRelation); // last relation
@@ -78,6 +105,8 @@
 const relpipe::common::type::StringX CLIParser::OPTION_RELATION = L"--relation";
 const relpipe::common::type::StringX CLIParser::OPTION_ATTRIBUTE = L"--attribute";
 const relpipe::common::type::StringX CLIParser::OPTION_PATTERN = L"--pattern";
+const relpipe::common::type::StringX CLIParser::OPTION_CASE_SENSITIVE = L"--case-sensitive";
+const relpipe::common::type::StringX CLIParser::OPTION_INVERT_MATCH = L"--invert-match";
 
 }
 }