substring function.(Power Automate Cloud flows)
Cut out a substring by specifying its position and length.
It is similar to the slice function, but differs in the specification of how far to cut out.
- The substring function is the number of characters.
- The slice function is a position.
Spec
substring('<text>', '<startIndex>', <length>)
| Argument | Default | Description |
|---|---|---|
| text | Required field | Source text of the cutout. |
| startIndex | Required field | The starting position of the cutout (top is 0). |
| length | From "startIndex" to the end of "text". | Number of characters to cut out. |
How to use
The substring function is used for text parameters.
In many cases, it is used to initialize or set variables of type "String".
Clicking on substring in the "Expression" tab sets the function name and () in the formula field.
If you see something like the following, your settings are complete.
You can change the contents of the function by clicking on the purple icon.
When dynamic content or variables are used in expressions, special specifications are required.
(How to get dynamic content with expressions.)
Examples of arguments and results
For example, substring('ABCDE',1,2) will result in "BC".
The last argument (length) may be omitted, in this case from the start position to the end.
substring('ABCDE',2) will result in "CDE".
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Links
String Functions(Power Automate Cloud flows)
Example of use.
When a file is created Trigger in OneDrive For Business Connector.(Power Automate Cloud flows)
Used for editing dynamic content.