浏览下面这篇文章——如何使用正则表达式优化查询并节约时间？
Navigate to the link to the following article - How to use regular expression to search better and save time?
修剪字符串不是一个常见的性能瓶颈，但作为学习正则表达式优化的例子有多种实现方法。
Trimming strings is not a common performance bottleneck, but it serves as a decent case study for regex optimization since there are a variety of ways to implement it.
清单5中第二行调用对rope进行修饰，优化正则表达式匹配。
The call on the second line in Listing 5 decorates the rope to optimize regular-expression matching.
因为循环检查字符是不是空格在效率上不如正则表达式所使用的优化过的搜索代码。
That's because looping over characters to check whether they are whitespace can't match the efficiency of a regex's optimized search code.
每种浏览器的正则表达式引擎也有不同的内部优化。
Each browser's regex engine also has different internal optimizations.
每种浏览器的正则表达式引擎也有不同的内部优化。
Each browser's regex engine also has different internal optimizations.
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