Returns a substring of string starting at the start character and counting length characters. Counting starts from 1 (not 0).
Always counts in the natural direction of the advertiser’s locale. For example, if the advertiser’s language is English, this function counts from left to right.
Syntax
mid(string, start, length)
string can be any of the following:
- A String constant, such as "GDN".
- A Search Ads 360 variable that is a String, such as
Keyword,Campaign,Engine_status, and so on. - An expression or formula column that returns a String.
start and length can be any of the following:
- A positive constant, such as 5.
- A Search Ads 360 variable that is a positive number.
- An expression or formula column that returns a positive number.
Examples
-
[mid("Hello World!", 4, 8)]returns "lo Wo". -
[mid("Hello World!", 5, 0)]returns "" (empty string). -
[mid("Hello World!", 0, 12)]is an error. Counting begins with 1, not zero. -
[mid("every dog has its day", 1, -1)]is an error. Negative numbers are not valid.