Initial data commit

Task/Multisplit/Icon/multisplit.icon

@@ -0,0 +1,21 @@
+procedure main()
+   s := "a!===b=!=c"
+   # just list the tokens
+   every writes(multisplit(s,["==", "!=", "="])," ") | write()
+
+   # list tokens and indices
+   every ((p := "") ||:= t := multisplit(s,sep := ["==", "!=", "="])) | break write() do
+      if t == !sep then writes(t," (",*p+1-*t,") ") else writes(t," ")
+
+end
+
+procedure multisplit(s,L)
+s ? while not pos(0) do {
+   t := =!L | 1( arb(), match(!L)|pos(0) )
+   suspend t
+   }
+end
+
+procedure arb()
+suspend .&subject[.&pos:&pos <- &pos to *&subject + 1]
+end