拆分PascalCase字符串转换成单独的词 [英] Split a PascalCase string into separate words

问题描述

我要寻找一种方式来分割PascalCase字符串，如： MyString的，成为单独的词 - 我的，字符串。 href="http://stackoverflow.com/questions/614930/how-can-i-cut1-camelcase-words">合影庆典问题的另一个用户，但我想知道如何与一般的普通恩pressions或至少在.NET中做到这一点。

I am looking for a way to split PascalCase strings, e.g. "MyString", into separate words - "My", "String". Another user posed the question for bash, but I want to know how to do it with general regular expressions or at least in .NET.

奖金，如果你能找到一种方法，也分裂（和可选​​的利用）驼峰字符串：例如， myString中变成了我和字符串，另外还可以选择利用/​​小写一方或双方的字符串。

Bonus if you can find a way to also split (and optionally capitalize) camelCase strings: e.g. "myString" becomes "my" and "String", with the option to capitalize/lowercase either or both of the strings.

推荐答案

看到这一问题：<一href="http://stackoverflow.com/questions/3103730/is-there-a-elegant-way-to-parse-a-word-and-add-spaces-before-capital-letters">Is有一个优雅的方式来解析一个字之前大写字母加空格？中其接受的答案涵盖了你想要的，包括在一排数字和几个大写字母。虽然该样品具有的话开始大写，它这同样有效，当第一个字是小写。

See this question: Is there a elegant way to parse a word and add spaces before capital letters? Its accepted answer covers what you want, including numbers and several uppercase letters in a row. While this sample has words starting in uppercase, it it equally valid when the first word is in lowercase.

string[] tests = {
   "AutomaticTrackingSystem",
   "XMLEditor",
   "AnXMLAndXSLT2.0Tool",
};


Regex r = new Regex(
    @"(?<=[A-Z])(?=[A-Z][a-z])|(?<=[^A-Z])(?=[A-Z])|(?<=[A-Za-z])(?=[^A-Za-z])"
  );

foreach (string s in tests)
  r.Replace(s, " ");

以上将输出：

The above will output:

[Automatic][Tracking][System]
[XML][Editor]
[An][XML][And][XSLT][2.0][Tool]

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