regex - Trying to extract information in a regular expression

Question

I'm trying to write a regular expression that will allow me to extract the data in between the quotation marks, and then allow me to replace it with new information.

title="Information here"

Answer 1

(title=")([^"]*)(".*)

.* 将匹配任何字符

然后替换为

\1This is the new information\3

\2 

将保存提取的值

Answer 2

您需要使用具有正则表达式替换功能的语言或工具。此正则表达式应与您尝试执行的操作相匹配：

^title="(.*)"$

正则表达式替换示例：

preg_replace('^title=[\]?"(.*)[\]?"$','new information','title="information here"');

将“此处的信息”替换为“新信息”