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Return the part of a string after the last occurrence of a specified substring.
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stdlib-js/string-substring-after-last
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Return the part of a string after the last occurrence of a specified substring.
importsubstringAfterLastfrom'https://cdn.jsdelivr.net/gh/stdlib-js/string-substring-after-last@deno/mod.js';
Returns the part of a string after the last occurrence of a specified substring.
varstr='beep boop';varout=substringAfterLast(str,'b');// returns 'oop'out=substringAfterLast(str,'o');// returns 'p'
By default, the search starts at the end of the string and proceeds backwards to the beginning. To start the search at a specified index, specify an integer for thefromIndex argument.
varstr='beep boop';varout=substringAfterLast(str,'b',3);// returns 'eep boop'
- If a substring is not present in a provided string, the function returns an empty string.
- If provided an empty substring, the function returns an empty string.
importsubstringAfterLastfrom'https://cdn.jsdelivr.net/gh/stdlib-js/string-substring-after-last@deno/mod.js';varstr='To be, or not to be, that is the question.';varout=substringAfterLast(str,', ');// returns 'that is the question.'out=substringAfterLast(str,'to be');// returns ', that is the question.'out=substringAfterLast(str,'question.');// returns ''out=substringAfterLast(str,'xyz');// returns ''out=substringAfterLast(str,'');// returns ''
@stdlib/string-substring-before:return the part of a string before a specified substring.@stdlib/string-substring-before-last:return the part of a string before the last occurrence of a specified substring.@stdlib/string-substring-after:return the part of a string after a specified substring.
This package is part ofstdlib, a standard library with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to developstdlib, see the main projectrepository.
SeeLICENSE.
Copyright © 2016-2025. The StdlibAuthors.
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Return the part of a string after the last occurrence of a specified substring.
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