substring
The substring function extracts a substring from a source string starting from some index to the end of the string.
Optionally, the length of the requested substring can be specified.
Syntax
substring( Source, StartingIndex [, Length] )
Arguments
- Source: The source string that the substring will be taken from.
- StartingIndex: The zero-based starting character position of the requested substring. Can be a negative number, in which case the substring will be retrieved from the end of the source string.
- Length: An optional parameter that can be used to specify the requested number of characters in the substring.
Results
A substring from the given string. The substring starts at the StartingIndex (zero-based) character position and continues to the end of the string (or to Length characters, if specified).
Examples
This example returns 23456:
print substring("123456", 1)This example returns 34:
print substring("123456", 2, 2)This example returns AB:
print substring("ABCD", 0, 2)This example returns 56:
print substring("123456", -2, 2)