The substring() method extracts characters, between two indices (positions), from a string, and returns the substring. The substring() method extracts characters from start to end (exclusive).

Jul 10, 2025 · The substring () method of String values returns the part of this string from the start index up to and excluding the end index, or to the end of the string if no end index is supplied.

Definition and Usage The substring() method returns a substring from the string. If the end argument is not specified then the substring will end at the end of the string.

The starting character position is zero-based; in other words, the first character in the string is at index 0, not index 1. To extract a substring that begins at a specified character position and ends before the …

Jul 23, 2025 · Definition: A substring is a contiguous sequence of characters within a larger string. It is essentially a smaller portion of a string extracted from the original string. Substrings are often used …