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-rw-r--r--tests/misc/t16541.nim12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/misc/t16541.nim b/tests/misc/t16541.nim
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index 000000000..452327e8f
--- /dev/null
+++ b/tests/misc/t16541.nim
@@ -0,0 +1,12 @@
+discard """
+  action: "reject"
+
+"""
+
+import strutils, sugar, nre
+
+proc my_replace*(s: string, r: Regex, by: string | (proc (match: string): string)): string =
+  nre.replace(s, r, by)
+
+discard my_replace("abcde", re"[bcd]", match => match.to_upper) == "aBCDe"
+discard my_replace("abcde", re"[bcd]", (match: string) => match.to_upper) == "aBCDe"