diff --git a/examples/string_47trim.janet b/examples/string_47trim.janet
new file mode 100644
index 0000000..60d27b2
--- /dev/null
+++ b/examples/string_47trim.janet
@@ -0,0 +1,8 @@
+# trim leading and trailing whitespace
+(string/trim "  foo ") # -> "foo"
+
+# default whitespace includes " \t\r\n\v\f"
+(string/trim "\t bar\n\r\f") # -> "bar"
+
+# provide custom set of characters to trim
+(string/trim "_.foo_bar. \n" " ._\n") # -> "foo_bar"
\ No newline at end of file