improve iterate parameter

data/magic.mse-game/keywords

@@ -153,11 +153,15 @@ keyword parameter type:
 	match: mills?
 keyword parameter type:
 	name: iterate
-	match: [., ](t?w?i?c?e?|t?h?r?e?e?|f?o?u?r?|f?i?v?e?|s?i?x?|s?e?v?e?n?|X?)?( ?t?i?m?e?s?)?
+	match: [., ](o?n?c?e?|o?n?e?|t?w?i?c?e?|t?w?o?|t?h?r?e?e?|f?o?u?r?|f?i?v?e?|s?i?x?|s?e?v?e?n?|X?)?( ?t?i?m?e?s?)?
 	refer script:
-		name: as words
-		description: Use the iteration word (twice, three times, etc)
-		script: \{iterate_fix({input})\}
+		name: as words, use "" for blank
+		description: Use the iteration word (twice, three, etc)
+		script: \{iterate_string({input})\}
+	refer script:
+		name: as words, use "one" for blank
+		description: Use the iteration word (twice, three, etc)
+		script: \{iterate_string({input}, empty:"one")\}
 	refer script:
 		name: as number
 		description: Use the iteration word (twice, three times, etc)

data/magic.mse-game/script

@@ -1068,7 +1068,13 @@ iterate_fix := remove_tags
 	+replace@(match: "^\\.", replace:"")
 	+replace@(match: "^,", replace:"")
 	+replace@(match: "^[ ]", replace:"")
-	+replace@(match:" times", replace:"")
+	+replace@(match:" ti?m?e?s?$", replace:"")
+iterate_string := {
+	str := iterate_fix(input)
+	if str == ""
+		then empty_lead + empty + empty_follow
+	else non_empty_lead + str + non_empty_follow
+}@(non_empty_lead:" ", non_empty_follow:"", empty_lead:"", empty_follow:"", empty:"")
 digital_map := [
 	"zero": 0,
 	"one": 1,