Removes occurrences of a specified regular expression from a text.
This operation lets you clean a text by removing all or specific occurrences of a regular expression pattern. You can optionally define the strategy to either remove the first occurrence, the last occurrence, or all occurrences of the matched pattern in the text.
This operation supports both of the following syntaxes:
This syntax defines the text as data.
Note: Specifying a remove strategy is optional. By default, all matching occurrences are removed.
The table below lists the names of the data elements in this operation and indicates which can be renamed in the syntax.
Parameters are placeholders for data. Refer to the table below for details on each parameter in this operation. In the syntax, replace parameters with your own values.
In this example, no removal strategy is specified, so all matching occurrences are removed by default.
the text
Yes
the regular expression
No
the remove strategy
No
input
The text to be cleaned.
The order number is 12345.
Yes
regex
The regular expression pattern to be removed.
[0-9]+
Yes
strategy
The removal strategy. Accepted Values:
first - Removes the first occurrence.
last - Removes the last occurrence.
all - Removes all occurrences. (default)
all
Optional
the text is "{input}"
the regular expression is "{regex}"
remove the regular expression from the text
the remove strategy is "{strategy}"the regular expression is "{regex}"
remove the regular expression from "{input}"
the remove strategy is "{strategy}"the regular expression is "[0-9]+"
remove the regular expression from "The order number is 12345."The order number is .the text is "The order number is 12345, and the reference ID is 67890."
the regular expression is "[0-9]+"
remove the regular expression from the text
the remove strategy is "first"The order number is , and the reference ID is 67890.the text is "The order number is 12345, and the reference ID is 67890."
the regular expression is "[0-9]+"
remove the regular expression from the text
the remove strategy is "last"The order number is 12345, and the reference ID is .