https://answer.freetools.me/categories/%E7%BC%96%E7%A8%8B%E5%9F%BA%E7%A1%80/ Recent content in 编程基础 on Answer Hugo -- 0.152.2 zh-cn Sun, 08 Mar 2026 19:03:38 +0800 https://answer.freetools.me/%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F%E5%85%A5%E9%97%A8%E4%BB%8E%E5%AD%97%E9%9D%A2%E5%8C%B9%E9%85%8D%E5%88%B0%E6%A8%A1%E5%BC%8F%E5%8C%B9%E9%85%8D%E7%9A%84%E5%AE%8C%E6%95%B4%E6%8C%87%E5%8D%97/ Sun, 08 Mar 2026 19:03:38 +0800 https://answer.freetools.me/%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F%E5%85%A5%E9%97%A8%E4%BB%8E%E5%AD%97%E9%9D%A2%E5%8C%B9%E9%85%8D%E5%88%B0%E6%A8%A1%E5%BC%8F%E5%8C%B9%E9%85%8D%E7%9A%84%E5%AE%8C%E6%95%B4%E6%8C%87%E5%8D%97/ 一篇面向开发者的正则表达式入门教程，从最基础的字面匹配开始，逐步讲解元字符、字符类、量词、锚点、分组等核心概念，配合大量示例帮助读者快速掌握正则表达式的基本用法。 https://answer.freetools.me/%E5%AD%97%E7%AC%A6%E7%BC%96%E7%A0%81%E5%85%A5%E9%97%A8%E4%BB%8Eascii%E5%88%B0utf-8%E4%BD%A0%E7%9C%9F%E7%9A%84%E4%BA%86%E8%A7%A3%E6%96%87%E6%9C%AC%E6%98%AF%E5%A6%82%E4%BD%95%E5%AD%98%E5%82%A8%E7%9A%84%E5%90%97/ Sun, 08 Mar 2026 18:32:39 +0800 https://answer.freetools.me/%E5%AD%97%E7%AC%A6%E7%BC%96%E7%A0%81%E5%85%A5%E9%97%A8%E4%BB%8Eascii%E5%88%B0utf-8%E4%BD%A0%E7%9C%9F%E7%9A%84%E4%BA%86%E8%A7%A3%E6%96%87%E6%9C%AC%E6%98%AF%E5%A6%82%E4%BD%95%E5%AD%98%E5%82%A8%E7%9A%84%E5%90%97/ 一篇面向开发者的字符编码入门教程，从计算机存储文本的基本原理出发，系统讲解ASCII、Unicode、UTF-8等核心概念，帮助读者理解字符编码的工作机制，解决实际开发中遇到的编码问题。 https://answer.freetools.me/%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E4%BB%8Enfa%E5%BC%95%E6%93%8E%E5%8E%9F%E7%90%86%E5%88%B0%E9%AB%98%E6%95%88%E6%A8%A1%E5%BC%8F%E7%BC%96%E5%86%99%E7%9A%84%E5%AE%8C%E6%95%B4%E6%95%99%E7%A8%8B/ Sun, 08 Mar 2026 18:05:16 +0800 https://answer.freetools.me/%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E4%BB%8Enfa%E5%BC%95%E6%93%8E%E5%8E%9F%E7%90%86%E5%88%B0%E9%AB%98%E6%95%88%E6%A8%A1%E5%BC%8F%E7%BC%96%E5%86%99%E7%9A%84%E5%AE%8C%E6%95%B4%E6%95%99%E7%A8%8B/ 一篇系统性的正则表达式性能优化教程，深入讲解NFA与DFA引擎原理、回溯机制、灾难性回溯问题、各语言实现差异，以及从预编译到原子分组的完整优化实践。