private boolean URLModePhraseChar() {
        if (!submodes.url) return false;
        return !(tokens.currentIsNoIgnore(RBRACE) || tokens.currentIsNoIgnore(SPACE));
    }
Skips one or multiple phrase separators

@return true if the item we land at after skipping zero or more is a phrase word
container-search/src/main/java/com/yahoo/prelude/query/parser/StructuredParser.java