tweaks: swap two parts of specific regexes, for consistency with others

This order makes more sense to me: first the part that allows
almost everything, and then the special case.

syntax/javascript.nanorc

@@ -17,7 +17,7 @@ color cyan "\<([0-9]+|0x[0-9A-Fa-f]+)\>"
 color cyan "\<(true|false|null|undefined)\>"
 
 # Strings.
-color brightmagenta ""(\\.|[^"\])*"|'(\\.|[^'\])*'|`(\\.|[^`\])*`"
+color brightmagenta ""([^"\]|\\.)*"|'([^'\]|\\.)*'|`([^`\]|\\.)*`"
 # Comments.
 color brightblue "(^|[[:blank:]])//.*"
 color brightblue start="/\*" end="\*/"