InvariantCultureIgnoreCase

InvariantCultureIgnoreCase

本文介绍了字符串比较:InvariantCultureIgnoreCase VS OrdinalIgnoreCase?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

这将是更好的code:

  INT指数= fileName.LastIndexOf(,StringComparison.InvariantCultureIgnoreCase。);

  INT指数= fileName.LastIndexOf(,StringComparison.OrdinalIgnoreCase。);


解决方案

如果你真的想只匹配点,那么CultureInfo.Ordinal将是最快的,因为没有大小写的区别。

Which would be better code:

int index = fileName.LastIndexOf(".", StringComparison.InvariantCultureIgnoreCase);

or

int index = fileName.LastIndexOf(".", StringComparison.OrdinalIgnoreCase);
解决方案

If you really want to match only the dot, then the CultureInfo.Ordinal would be fastest, as there is no case-difference.

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10-27 08:36