demarco

緣由: 這是專案會用到的拆字，要全文檢索用，例如 [商業,男人]，會拆成 [商業 AND 男人]，但要再轉換成ID

目標: 商業 AND 男人 ---> 111 AND 123

split的依據變成是 AND (Multiple characters)
一般習慣用的 string.split('char')無法滿足
幸好還有另一個方式

Regex.Split(value, "AND")

直接看程式碼

    {
        string[] keywords;

        if (keyword.IndexOf("AND") > 0)
        {
            keywords = Regex.Split(keyword, "AND");
            keyword = null;
            for (int i = 0; i < keywords.Length; i++)
            {
                if (i == 0)
                    keyword = "\"" + getKeywordID(keywords[i].Trim()) + "\"";
                else
                    keyword = keyword + " AND " + "\"" + getKeywordID(keywords[i].Trim()) + "\"";
            }
        }
        else if (keyword.IndexOf("OR") > 0)
        {
            keywords = Regex.Split(keyword, "OR");
            keyword = null;
            for (int i = 0; i < keywords.Length; i++)
            {
                if (i == 0)
                    keyword = "\"" + getKeywordID(keywords[i].Trim()) + "\"";
                else
                    keyword = keyword + " OR " + "\"" + getKeywordID(keywords[i].Trim()) + "\"";
            }
        }
        else
        {
            keyword = "\"" + getKeywordID(keyword) + "\"";
        }

        return keyword;
    }