类似于vi和Emacs的编辑器将模式匹配与替换组合，从而将查找和替换文本组合成一步操作。

Editors such as vi and Emacs combine pattern matching and substitution to find and replace text in one fell swoop.

youdao

首先，从最主要的角度来看，函数的目的是“查找与第一个模式中的值匹配的字符串，然后通过将第三个变量作为要操作的字符串，以第二个模式替换匹配结果”。

First, in broadest terms, the function's purpose is to "match what is in the first pattern, then replace it with the second pattern, using the third argument as the string to operate on."

youdao

相反，更新查询可查找与指定条件相匹配的记录，然后用称为更新条件的第二个条件替换这些记录。

In contrast, an update query finds records that match the criteria that you specify, and then it replaces those records with a second criteria called an update criteria.

youdao

相反，更新查询可查找与指定条件相匹配的记录，然后用称为更新条件的第二个条件替换这些记录。

In contrast, an update query finds records that match the criteria that you specify, and then it replaces those records with a second criteria called an update criteria.

youdao