Fixed "regex escape" function, and updated a script that needed it.

data/magic.mse-game/game

-mse version: 0.3.5
+mse version: 0.3.5
 short name: Magic
 full name: Magic the Gathering
 icon: card-back.png
@@ -112,7 +112,7 @@ init script:
 	text_to_color := {
 		# Note: running filter_text is quite slow, do a quick 'contains' check first
 		if contains(match: card_name) then (
-		  text := filter_text(match: card_name+"(</[-a-z]+>)? is (colorless|all colors|((blue|white|green|red|black)((,|,? and) (blue|white|green|red|black))*))\\.")
+		  text := filter_text(match: regex_escape(card_name)+"(</[-a-z]+>)? is (colorless|all colors|((blue|white|green|red|black)((,|,? and) (blue|white|green|red|black))*))\\.")
 		  if text != "" then (
 		    if contains(text, match: "all colors") then (
 			colors := "WUBRG"

src/script/functions/basic.cpp

@@ -610,7 +610,7 @@ void init_script_basic_functions(Context& ctx) {
 	ctx.setVariable(_("format"),               script_format);
 	ctx.setVariable(_("format rule"),          script_format_rule);
 	ctx.setVariable(_("curly quotes"),         script_curly_quotes);
-	ctx.setVariable(_("regex_escape"),         script_regex_escape);
+	ctx.setVariable(_("regex escape"),         script_regex_escape);
 	// tagged string
 	ctx.setVariable(_("tag contents"),         script_tag_contents);
 	ctx.setVariable(_("remove tag"),           script_tag_remove);