at Parameter

Identifies the start and end point of the pattern to interest.

Parameter inputs are in the form of x,y, where x and y are positive integers indicating the starting character and ending character, respectively, of the pattern of interest.

  • x must be less than y.
  • If y is greater than the length of the value, the pattern is defined to the end of the value, and a match is made.

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Google Cloud Dataprep Documentation