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Substring

Definition

A substring is a smaller portion of a larger string extracted based on its starting and ending positions within that string.

Analogy

Think of a book as a long string. A substring would be like selecting and copying only certain paragraphs or sentences from that book.

Related terms

Indexing (String): Refers to accessing individual characters within a string using their position or index value.

Length (String): The total number of characters in a string, including spaces and punctuation marks.

Slice (String): Similar to substring but allows for extracting multiple characters at once, based on a specified range.

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© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.