substring()
Usage
substring(string, start, length)
Description
Returns a portion with the given length of the given string, starting from the given start index.
Example
${substring('This is a test', 10, 4)}
results in
test
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substring()
Returns a portion with the given length of the given string, starting from the given start index. If no length parameter is given or the length would exceed the string length (calculated from the start index), the rest of the string is returned.
substring(string, start [, length ])