You can use built-in text analysis functions, namely dictionary based and regular expression based named entity extraction, as explained in the previous articles of this series.
您可以使用内置的文本分析特性，即基于词典和基于正则表达式的命名实体提取，如本系列的前面的文章所述。
2
All fields of an entity can be indexed as if it was a single document, and then regular text searches can be performed to retrieve the matching entities.
所有实体的字段可以像只有一个文件那样被索引，并且是正则文本搜索可以匹配的实体。
3
A step-by-step example demonstrated how to build a a simple named entity extraction task using regular expressions.