在句子中找到一个单词 [英] find a word in sentence

问题描述

嗨
i有一个文本框，并且写了一个名字，我想知道例如在该名称中有多少像a这样的词我想要数它

With Respect

Hi i have a textbox and ill write one name in that and i want to know for example how many word like "a" in that name i want to count it
With Respect

推荐答案

这样做

Do like this

textBox1.Text = "abc";
int count = textBox1.Text.Count(f => f == 'a');

或

or

int count1 = Regex.Matches(textBox1.Text, "a").Count;

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