Ports "Mime PDAs only accept emojis for messages, mime cartridge comes with an emoji guidebook"

code/modules/client/asset_cache.dm

@@ -448,7 +448,8 @@ GLOBAL_LIST_EMPTY(asset_datums)
 		"scanner"		= 'icons/pda_icons/pda_scanner.png',
 		"signaler"		= 'icons/pda_icons/pda_signaler.png',
 		"status"		= 'icons/pda_icons/pda_status.png',
-		"dronephone"	= 'icons/pda_icons/pda_dronephone.png'
+		"dronephone"	= 'icons/pda_icons/pda_dronephone.png',
+		"emoji"			= 'icons/pda_icons/pda_emoji.png'
 	)
 
 /datum/asset/spritesheet/simple/paper

code/modules/emoji/emoji_parse.dm

@@ -1,4 +1,4 @@
-/proc/emoji_parse(text)
+/proc/emoji_parse(text) //turns :ai: into an emoji in text.
 	. = text
 	if(!CONFIG_GET(flag/emojis))
 		return
@@ -30,3 +30,24 @@
 		break
 	return parsed
 
+/proc/emoji_sanitize(text) //cuts any text that would not be parsed as an emoji
+	. = text
+	if(!CONFIG_GET(flag/emojis))
+		return
+	var/static/list/emojis = icon_states(icon('icons/emoji.dmi'))
+	var/final = "" //only tags are added to this
+	var/pos = 1
+	var/search = 0
+	while(1)
+		search = findtext(text, ":", pos)
+		if(search)
+			pos = search
+			search = findtext(text, ":", pos+1)
+			if(search)
+				var/word = lowertext(copytext(text, pos+1, search))
+				if(word in emojis)
+					final += lowertext(copytext(text, pos, search+1))
+				pos = search + 1
+				continue
+		break
+	return final