至于获取括号之间的数字，请参见此链接https://regex101.com/r/o5wAmh/1了解详细信息。这里有一种不...
-contains The -contains operator checks the collection for your value. As soon as it finds a match, it returns $true. PowerShell Copy $array = 1..6 if ( $array -contains 3 ) { # do something } This is the preferred way to see if a collection contains your value. Using Where-...
Check if string contains invalid characters Check if string starts with letter/character. check installed memory with physical memory Check network drive connection Check object property existance check PKI certificate expiration Check string for two special characters back to back Check to see if user ...
The Get-ChildItem objects are System.IO.DirectoryInfo and Join-String converts the objects to System.String.Example 2: Use a property substring to join directory namesThis example uses a substring method to get the first four letters of directory names, wraps the output in single-quotes, and ...
Get-ChildItem-Path C:\test\p*.txt|Where-Object{(($_.BaseName).Substring(1,1)%2)-eq0}|Copy-Item-Destination C:\test2\ Copy If you end up with a folder or file name that contains wildcard characters -- *, [, ], ? -- use theLiteralPathparameter instead of thePathparameter.L...
# Find the cell where Class name is mentioned$found=$sheet.Cells.Find($ClassName)#find the cell where Class name is mentioned$beginAddress=$Found.Address(0,0,1,1).Split("!")[1]$beginRowAddress=$beginAddress.Substring(1,2)$startHeaderRowNumber= [int]$beginRowAddress+1#header row starts...
Well, one very common task is determining whether or not a given substring can be found anywhere within that value. For example, suppose you need to know if the stringriptappears anywhere in the value of $a (which, as you might recall, is the string valueScripting Guys). How can we de...
string.substring(int startIndex, int length) If the index position of the letter “u” inusa.www.itechguides.comis zero (o), according to theIndexOfMethod– it means that if we wish to extract characters starting from the letter “u”, ourstartIndexwill be 0 – since it is the first...
$poolname=[string](Get-PowerPivotServiceApplication | select -property applicationpool) $position=$poolname.lastindexof("=") $poolname=$poolname.substring($position+1) $poolname=$poolname.substring(0,$poolname.length-1) Get-SPServiceApplicationPool | select name, status,...
column from the end. If we were to use the-split','operator, we would create 15 new strings and an array for each line. On the other hand, usingLastIndexOfon the input string a few times and thenSubStringto get the value of interest is faster and results in just one new string. ...