diff --git a/src/tests/test_regex.cpp b/src/tests/test_regex.cpp
index 1c516dc..fe76582 100644
--- a/src/tests/test_regex.cpp
+++ b/src/tests/test_regex.cpp
@@ -11,7 +11,7 @@ using namespace alpr;
 
 TEST_CASE( "ASCII tests", "[Regex]" ) {
 
-  RegexRule rule1("us", "@@@####");
+  RegexRule rule1("us", "@@@####", "[A-Za-z]", "[0-9]");
   
   REQUIRE( rule1.match("123ABCD") == false);
   REQUIRE( rule1.match("123ABC") == false);
@@ -28,7 +28,7 @@ TEST_CASE( "ASCII tests", "[Regex]" ) {
   REQUIRE( rule1.match("AAA1111") == true);
   REQUIRE( rule1.match("zzz1111") == true);
   
-  RegexRule rule2("us", "[ABC]@@####");
+  RegexRule rule2("us", "[ABC]@@####", "[A-Z]", "[0-9]");
   
   REQUIRE( rule2.match("ZBC1234") == false);
   REQUIRE( rule2.match("DBC1234") == false);
@@ -38,7 +38,7 @@ TEST_CASE( "ASCII tests", "[Regex]" ) {
   REQUIRE( rule2.match("BAA1111") == true);
   REQUIRE( rule2.match("CAA1111") == true);
   
-  RegexRule rule3("us", "[A]@@###[12]");
+  RegexRule rule3("us", "[A]@@###[12]", "[A-Z]", "[0-9]");
   
   REQUIRE( rule3.match("ZBC1234") == false);
   REQUIRE( rule3.match("ZBC1231") == false);
@@ -48,7 +48,7 @@ TEST_CASE( "ASCII tests", "[Regex]" ) {
   REQUIRE( rule3.match("ABC1232") == true);
   
   
-  RegexRule rule4("us", "[A-C][E-G]1111");
+  RegexRule rule4("us", "[A-C][E-G]1111", "[A-Z]", "[0-9]");
   
   REQUIRE( rule4.match("DG1111") == false);
   REQUIRE( rule4.match("AD1111") == false);
@@ -61,7 +61,7 @@ TEST_CASE( "ASCII tests", "[Regex]" ) {
   REQUIRE( rule4.match("BF1111") == true);
   REQUIRE( rule4.match("BG1111") == true);
   
-  RegexRule rule5("us", "\\d\\d\\D\\D");
+  RegexRule rule5("us", "\\d\\d\\D\\D", "[A-Z]", "[0-9]");
   REQUIRE( rule5.match("AA11") == false);
   REQUIRE( rule5.match("11AA") == true);
   
@@ -69,7 +69,7 @@ TEST_CASE( "ASCII tests", "[Regex]" ) {
 
 TEST_CASE( "Unicode tests", "[Regex]" ) {
 
-  RegexRule rule1("us", "@@@####");
+  RegexRule rule1("us", "@@@####", "\\pL", "\\pN");
   
   REQUIRE( rule1.match("123与与与下") == false);
   REQUIRE( rule1.match("与万12345") == false);
@@ -78,7 +78,7 @@ TEST_CASE( "Unicode tests", "[Regex]" ) {
   
   REQUIRE( rule1.match("与万口1234") == true);
   
-  RegexRule rule2("us", "[십팔]@@####");
+  RegexRule rule2("us", "[십팔]@@####", "\\pL", "\\pN");
   
   REQUIRE( rule2.match("123与与与下") == false);
   REQUIRE( rule2.match("与万12345") == false);
@@ -93,7 +93,7 @@ TEST_CASE( "Unicode tests", "[Regex]" ) {
 
 
 TEST_CASE( "Invalid tests", "[Regex]" ) {
-  RegexRule rule1("us", "[A@@####");
+  RegexRule rule1("us", "[A@@####", "\\pL", "\\pN");
   
   REQUIRE( rule1.match("123ABCD") == false);
   REQUIRE( rule1.match("123ABC") == false);
@@ -103,6 +103,6 @@ TEST_CASE( "Invalid tests", "[Regex]" ) {
   REQUIRE( rule1.match("AAA1111") == false);
   REQUIRE( rule1.match("zzz1111") == false);
   
-  RegexRule rule2("us", "A####]");
+  RegexRule rule2("us", "A####]", "\\pL", "\\pN");
   REQUIRE( rule2.match("A1234") == false);
 }
\ No newline at end of file