SubString
The SubStringfunction extracts a string of specified length from a longer string in which it occurs.
Syntax
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string SubString( string searchString, int startingIndex, int length ); |
Parameters
Return values
Returns the specified string if present in searchString. If the specified string is not present, returns null .
The length argument is optional. If no value is passed, the function returns the string from startingIndexto the end of searchString.