Merge pull request #39 from myjian/master

Ensure removeModifier method turns off the flags

Author: lanwen

src/main/java/ru/lanwen/verbalregex/VerbalExpression.java

@@ -397,25 +397,25 @@ public Builder addModifier(final char pModifier) {
         public Builder removeModifier(final char pModifier) {
             switch (pModifier) {
                 case 'd':
-                    modifiers ^= Pattern.UNIX_LINES;
+                    modifiers &= ~Pattern.UNIX_LINES;
                     break;
                 case 'i':
-                    modifiers ^= Pattern.CASE_INSENSITIVE;
+                    modifiers &= ~Pattern.CASE_INSENSITIVE;
                     break;
                 case 'x':
-                    modifiers ^= Pattern.COMMENTS;
+                    modifiers &= ~Pattern.COMMENTS;
                     break;
                 case 'm':
-                    modifiers ^= Pattern.MULTILINE;
+                    modifiers &= ~Pattern.MULTILINE;
                     break;
                 case 's':
-                    modifiers ^= Pattern.DOTALL;
+                    modifiers &= ~Pattern.DOTALL;
                     break;
                 case 'u':
-                    modifiers ^= Pattern.UNICODE_CASE;
+                    modifiers &= ~Pattern.UNICODE_CASE;
                     break;
                 case 'U':
-                    modifiers ^= Pattern.UNICODE_CHARACTER_CLASS;
+                    modifiers &= ~Pattern.UNICODE_CHARACTER_CLASS;
                     break;
                 default:
                     break;

src/test/java/ru/lanwen/verbalregex/BasicFunctionalityUnitTest.java

@@ -300,7 +300,7 @@ public void testWithAnyCase() {
     }
 
     @Test
-    public void testWithAnyCaseIsFalse() {
+    public void testWithAnyCaseTurnOnThenTurnOff() {
         VerbalExpression testRegex = regex()
                 .withAnyCase()
                 .startOfLine()
@@ -311,6 +311,17 @@ public void testWithAnyCaseIsFalse() {
         assertThat(testRegex, not(matchesTo("A")));
     }
 
+    @Test
+    public void testWithAnyCaseIsFalse() {
+        VerbalExpression testRegex = regex()
+                .startOfLine()
+                .then("a")
+                .withAnyCase(false)
+                .build();
+
+        assertThat(testRegex, not(matchesTo("A")));
+    }
+
     @Test
     public void testSearchOneLine() {
         VerbalExpression testRegex = regex()
@@ -595,4 +606,4 @@ public void shouldAddMaybeWithOneOfFromAnotherBuilder() {
 	assertThat("Is a name without prefix", name, matchesTo("James"));
 
     }
-}
+}