将一连串的英文单词分割为单个

“ToLowerInvariant” -creplace “([A-Z])”,” `$1″

学到了,太谢谢了
分享下自己最后的方式

Start your code here
PS C:\Users\Administrator> filter Split-UpperChars
>> {
>>    param( [Parameter(Mandatory=$true,ValueFromPipeline=$true)][string]$str)
>>    $offset=0;$s=$str
>>    1..$str.length|%{
>>    if($str[$_] -cmatch "[A-Z]"){
>>    $s=$s.Insert(($_+$offset),' ')
>>    $offset+=1}};return $s
>> }
PS C:\Users\Administrator> $a|Split-UpperChars
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