提取txt中的指定内容

[入迷者]

如果下面是一个“txt”文档


Titanic



Theatrical poster


Directed by
James Cameron

Produced by
James Cameron
Jon Landau





Written by
James Cameron


Starring



Leonardo DiCaprio
Kate Winslet





Music by
James Horner


Cinematography
Russell Carpenter


Editing by



Conrad Buff
James Cameron
Richard A. Harris





Studio



20th Century Fox[1]
Paramount Pictures[1]
Lightstorm Entertainment[1]





Distributed by



Paramount Pictures (USA)
20th Century Fox (International)





Release date(s)



November 1, 1997 (1997-11-01) (Tokyo International Film Festival)
December 19, 1997 (1997-12-19) (United States)





Running time
194 minutes


Country
United States


Language
English


Budget
$200 million[2][3][4]


我要提取目录下面的信息（比如Directed by下面的James Cameron赋值给一个String变量，提取整个txt文档的这些目录下的详细内容），请问如何实现