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-rw-r--r--tests/expr.test2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/expr.test b/tests/expr.test
index 1c038a5c..33900d7a 100644
--- a/tests/expr.test
+++ b/tests/expr.test
@@ -17,3 +17,5 @@ testing "expr % * same priority" "expr 3 % 2 \* 4" "4\n" "" ""
testing "expr * % same priority" "expr 3 \* 2 % 4" "2\n" "" ""
testing "expr = > same priority" "expr 0 = 2 \> 3" "0\n" "" ""
testing "expr > = same priority" "expr 3 \> 2 = 1" "1\n" "" ""
+testing "expr string becomes integer" "expr ab21xx : '[^0-9]*\([0-9]*\)' + 3" \
+ "24\n" "" ""