All test pass, needed to include a function and better regex

archive/j/julia/longest-word.jl

@@ -0,0 +1,16 @@
+function longest_word_length(text::String)
+    # Split on exactly the specified whitespace characters: space, tab, newline, carriage return
+    words = split(text, r"[ \t\n\r]+")
+
+    # Find the maximum length of the words array
+    return maximum(length.(words))
+end
+
+# Command-line argument handling
+if length(ARGS) == 0 || strip(ARGS[1]) == ""
+    println("Usage: please provide a string")
+    exit(1)
+end
+
+input_string = ARGS[1]
+println(longest_word_length(input_string))