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Extracting Substrings
Code
This returns foo: # substr("foobar", 1, 3) #
This returns b:   # substr("foobar", 4, 1) #
This returns bar: # substr("foobar", -3, 3) #
This returns bar: # substr("foobar", 6, -3) #
This returns obar: # substr("foobar", -1, -4) #
Output
This returns foo: foo
This returns b:   b
This returns bar: bar
This returns bar: bar
This returns obar: obar
Ref

x.4702

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