Data update

Task/Substring/K/substring.k

@@ -0,0 +1,32 @@
+string: "the cow goes over the moon"
+substring: "cow"
+char:"g"
+n:2
+m:4
+
+"string: "
+"the cow goes over the moon"
+" "
+
+// without first n  characters with cut _
+"without first n (2) characters "
+{n_x}string
+
+// without last character ; reverse and remove last then reverse
+"without last character"
+{|1_|x}"the cow goes over the moon"
+
+// string from char g until end ; find char with where & and then cut
+"string from char g until end"
+{((&char=x)[0])_x}string
+
+// substring of m  length from character g ; same as above only flatten with ,//
+"substring of m (4) length from character g "
+{x[,//(&char=x)[0]+ !m]}string
+
+// from substring of length m ; find firstindex of substring; check if substring; checks if the characters are in order with <
+"from substring of length m"
+firstindex:({&x[0]=string}'(((#substring);1)#substring))[0][0]
+issubstring:1=*/(!#substring)= (<{&x[0]=string}'(((#substring);1)#substring))
+// if issubstring display; else do nothing
+$[issubstring; ({x[firstindex+!m]}string);""]