在 C# 中简单获取字符串(忽略末尾的数字) [英] Simple get string (ignore numbers at end) in C#

问题描述

我认为正则表达式有点矫枉过正，而且我需要一些时间来编写一些代码(我想我现在应该学习一些正则表达式).

I figure regex is overkill also it takes me some time to write some code (i guess i should learn now that i know some regex).

在字母数字字符串中分隔字符串的最简单方法是什么?它将始终是 LLLLDDDDD.我只想要字母(l's)，通常只有 1 或 2 个字母.

Whats the simplest way to separate the string in an alphanumeric string? It will always be LLLLDDDDD. I only want the letters(l's), typically its only 1 or 2 letters.

推荐答案

修剪结束:

string result = input.TrimEnd(new char[]{'0','1','2','3','4','5','6','7','8','9'});
// I'm sure using LINQ and Range can simplify that.
// also note that a string like "abc123def456" would result in "abc123def"

但是 RegEx 也很简单:

But a RegEx is also simple:

string result = Regex.Match(input,@"^[^\d]+").Value;

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