regex
regex [regex expression]
Returns rows from the previous stage results containing the provided regex pattern.
arguments:​
regex​
A regex pattern to search for in the previous results. (type: string)
examples:​
Query​
seed '[{"col": "LOREM IPSUM asdf", "col2": "something else"}]'
|| regex "[a-z]+"
Results prior to regex stage:​
| col | col2 |
|---|---|
| LOREM IPSUM asdf | something else |
Results after regex stage:​
| col | col2 |
|---|---|
| LOREM IPSUM asdf | something else |
Query​
seed '[{"col": "LOREM IPSUM asdf", "col2": "something else"}]'
|| regex "[a-z]+" --match --column col
Results prior to regex stage:​
| col | col2 |
|---|---|
| LOREM IPSUM asdf | something else |
Results after regex stage:​
| col | col2 | _match0 |
|---|---|---|
| LOREM IPSUM asdf | something else | sadf |
flags:​
--appendStage​
Used to append the results from a previous stage to the current stage. (provide a label, stage index, or boolean true to append the previous results)
--cache​
A boolean value of true/false that determines whether or not to use the cache. Generally most commands will default to true.
--checkpoint​
Format: "{CHECKPOINT NAME}:{COLUMN}" Used to store the value of the provided column (in the first row of results) in the provided name for use as a checkpoint in scheduled queries or other stages. Not encrypted. Can be accessed using $CHECKPOINTS.{CHECKPOINT NAME}$
--column​
The column to test in.
--filter​
A filter to run on the command results before completing the command. If not provided, no filter is run on the results.
--guid​
Adds a populated random guid column.
--labelStage​
Used to label a stage with a user provided label.
--match​
When true, will extract out matches.
--randomizeHash​
Randomizes the stage hash, even if args and flags are the same.
--stats​
Controls if a stats calculation is run on a stage after it completes.
--table​
A comma separated list of columns to include in the command results. If not provided, all columns will be included.
--type​
Each command has a default type, either "mapping" or "reducing". Some commands can operate as either, when "reducing" they will operate on all rows at once, when "mapping", they will operate on one row at a time.
--variable​
Format: "{VARIABLE NAME}:{COLUMN}" Used to store the value of the provided column (in the first row of results) in the provided name for use as a variable in other stages. Can be accessed using $VARIABLES.{VARIABLE NAME}$. Stored as an encrypted secret. Not stored across queries.
support​
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