> For the complete documentation index, see [llms.txt](https://wentao-shao.gitbook.io/leetcode/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wentao-shao.gitbook.io/leetcode/data-structure/28.implement-strstr-data-structure-28.implement-strstr--md.md).

# \[28.Implement-strStr()]\(Data-Structure/28.Implement-strStr().md)
