问题
I am trying to remove square brackets around a date field in Google Data Studio so I can properly treat it as a proper date dimension.
It looks like this:
[2020-05-20 00:00:23]
and I am using the RegEx of REGEXP_REPLACE(Date, "/[\[\]']+/g", "") and I want it to look like this for the output:
2020-05-20 00:00:23
It keeps giving me error results and will not work. I can not figure out what I am doing wrong here, I've used https://www.regextester.com/ to verify that it should work
回答1:
Regarding Dates, it can be achieved with a single TODATE Calculated Field:
TODATE(Date, "[%Y-%m-%d %H:%M:%S]", "%Y%m%d%H%M%S")
The Date Type can then be set as required:
- YYYYMMDD: Date
- YYYYMMDDhh: Date Hour
- YYYYMMDDhhmm: Date Hour Minute
Google Data Studio Report and GIF to elaborate:
回答2:
You need to use a plain regex pattern, not a regex literal notation (/.../g).
Note that REGEXP_REPLACE removes all occurrences found, thus, there is no need for a g flag.
Use
REGEXP_REPLACE(Date, "[][]+", "")
to remove all square brackets in Date.
来源：https://stackoverflow.com/questions/61973919/how-to-use-regex-to-replace-square-brackets-from-date-field-in-google-data-studi