substring

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substring

[′səb‚striŋ]
(computer science)
A sequence of successive characters within a string.

substring

A subset of an alphanumeric field or variable. The substring function in a programming language is used to extract the subset; for example, the programming expression substr(prodcode,4,3) extracts characters 4, 5 and 6 out of a product code field or variable.
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