Data update

Task/String-matching/Pluto/string-matching.pluto

@@ -0,0 +1,18 @@
+local s = "abracadabra"
+local t = "abra"
+local u = "ra"
+local v = "cad"
+print($"'{s}' starts with '{t}' is {s:startswith(t)}")
+local indices = {}
+local start = 1
+while true do
+    local ix = s:find(u, start, true)
+    if ix then
+        indices:insert(ix)
+        start = ix + #u
+        if start > #s then break end
+    else break end
+end
+local contained = #indices > 0
+print($"'{s}' contains '{u}' is {contained} {contained ? $"at indices {indices:concat(", ")}" : ""}")
+print($"'{s}' ends with '{v}' is {s:endswith(v)}")