本文介绍了计算字符串在字符串中出现的次数的处理方法,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

我只是有一个看起来像这样的字符串:



7,true,NA,false:67,false,NA,false:5, NA,false:5,false,NA,false



所有我想做的是计算字符串true出现在字符串中的次数。我感觉像是答案是类似String.CountAllTheTimesThisStringAppearsInThatString(),但由于某种原因,我只是不能弄清楚。帮助?

解决方案
  Regex.Matches(Regex.Escape ).Count 


I simply have a string that looks something like this:

"7,true,NA,false:67,false,NA,false:5,false,NA,false:5,false,NA,false"

All I want to do is to count how many times the string "true" appears in that string. I'm feeling like the answer is something like String.CountAllTheTimesThisStringAppearsInThatString() but for some reason I just can't figure it out. Help?

解决方案
Regex.Matches(Regex.Escape(input),  "true").Count

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05-24 14:09