1 files changed, 17 insertions, 4 deletions

diff --git a/libjava/classpath/gnu/regexp/RETokenRange.java b/libjava/classpath/gnu/regexp/RETokenRange.java
index dadaf2d8072..8a1ac86b212 100644
--- a/libjava/classpath/gnu/regexp/RETokenRange.java
+++ b/libjava/classpath/gnu/regexp/RETokenRange.java
@@ -43,19 +43,32 @@ final class RETokenRange extends REToken {
 
   RETokenRange(int subIndex, char lo, char hi, boolean ins) {
     super(subIndex);
-    this.lo = (insens = ins) ? Character.toLowerCase(lo) : lo;
-    this.hi = ins ? Character.toLowerCase(hi) : hi;
+    insens = ins;
+    this.lo = lo;
+    this.hi = hi;
   }
 
   int getMinimumLength() {
     return 1;
   }
 
+  int getMaximumLength() {
+    return 1;
+  }
+
     boolean match(CharIndexed input, REMatch mymatch) {
 	char c = input.charAt(mymatch.index);
 	if (c == CharIndexed.OUT_OF_BOUNDS) return false;
-	if (insens) c = Character.toLowerCase(c);
-	if ((c >= lo) && (c <= hi)) {
+	boolean matches = (c >= lo) && (c <= hi);
+	if (! matches && insens) {
+	  char c1 = Character.toLowerCase(c);
+	  matches = (c1 >= lo) && (c1 <= hi);
+	  if (!matches) {
+	    c1 = Character.toUpperCase(c);
+	    matches = (c1 >= lo) && (c1 <= hi);
+	  }
+	}
+	if (matches) {
 	    ++mymatch.index;
 	    return next(input, mymatch);
 	}