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unicode-org · Jan 21, 2025 · ed70b82 · ed70b82
1 parent 550372a
commit ed70b82
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/rbbi/RegexRule.java b/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/rbbi/RegexRule.java
@@ -74,7 +74,9 @@ void apply(StringBuilder remapped, BreakContext[] resolved) {
                             .findFirst();
                     if (!position.isPresent()) {
                         throw new IllegalArgumentException(("Rule " + name() +
-                                " found a break at a position which does not correspond to an index in " +
+                                " matched at position " + afterSearch.start() +
+                                " in " + remapped +
+                                " which does not correspond to an index in " +
                                 "the original string"));
                     }
                     if (position.get().appliedRule == null &&