
String.prototype.substr () - JavaScript | MDN
Aug 19, 2025 · The substr() method of String values returns a portion of this string, starting at the specified index and extending for a given number of characters afterwards.
MySQL SUBSTR () Function - W3Schools
Extract a substring from a string (start at position 5, extract 3 characters): The SUBSTR () function extracts a substring from a string (starting at any position). Note: The position of the first character in …
JavaScript String substr () Method - W3Schools
Description The substr() method extracts a part of a string. The substr() method begins at a specified position, and returns a specified number of characters. The substr() method does not change the …
SUBSTR - Oracle Help Center
The SUBSTR functions return a portion of char, beginning at character position, substring_length characters long. SUBSTR calculates lengths using characters as defined by the input character set.
substr () in C++ - GeeksforGeeks
Sep 19, 2025 · In C++, the string substr () function is used to extract a substring from the given string. It generates a new string with its value initialized to a copy of a sub-string of the given string.
std::basic_string<CharT,Traits,Allocator>:: substr
Apr 12, 2024 · 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 …
PHP: substr - Manual
If an invalid character range is requested, substr () returns an empty string as of PHP 8.0.0; previously, false was returned instead.
What is the difference between substr and substring?
Sep 19, 2010 · The big difference is, substr() is a deprecated method that can still be used, but should be used with caution because they are expected to be removed entirely sometime in the future.
What is the Difference Between Substr and Substring - W3docs
Both functions take two parameters, but substr () takes the length of the substring to be returned, while substring takes end index (excluding) for a substring.
JavaScript: String substr () method - TechOnTheNet
This JavaScript tutorial explains how to use the string method called substr () with syntax and examples. In JavaScript, substr () is a string method that is used to extract a substring from a string, given a …