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.

Jan 9, 2026 · The SUBSTRING function returns a portion of a specified character, binary, text, or image expression.

In formal language theory and computer science, a substring is a contiguous sequence of characters within a string. For instance, " the best of " is a substring of " It was the best of times ".

Apr 11, 2025 · In Java, the substring () method of the String class returns a substring from the given string. This method is most useful when you deal with text manipulation, parsing, or data extraction.

In this tutorial, you'll learn how to use the JavaScript substring () method to extract a substring from a string.

Returns a substring [pos, pos + count). If the requested substring extends past the end of the string, i.e. the count is greater than size() - pos (e.g. if count == npos), the returned substring is [pos, size ()).

Sep 19, 2010 · There are some additional subtleties between substr () and substring () such as the handling of equal arguments and negative arguments. Also note substring () and slice () are similar …

Apr 3, 2026 · JavaScript's substring () method extracts characters between two index positions in a string and returns the result as a new string. It is one of the most commonly used string methods in …

Replaces each substring of this string that matches the literal target sequence with the specified literal replacement sequence. The replacement proceeds from the beginning of the string to the end, for …