string-literal: expandable-string-literal expandable-here-string-literal verbatim-string-literal verbatim-here-string-literal expandable-string-literal: double-quote-character expandable-string-characters~opt~ dollars~opt~ double-quote-character double-quote-character: " (U+0022) Left double quotation mark...
# This expression returns true.# The pattern matches the first word character 'B'.'Book'-match'\w' 通配符 句点(.) 是正则表达式中的通配符。 它匹配除换行符外的任何字符 (\n)。 PowerShell # This expression returns true.# The pattern matches any 4 characters except the newline.'a1\ '-matc...
Type: String Position: Named Default value: None Required: False Accept pipeline input: False Accept wildcard characters: False Applies to: Exchange Online, Exchange Online Protection-AlwaysSubscribeMembersToCalendarEventsThe AlwaysSubscribeMembersToCalendarEvents switch controls the default subscription setting...
If you aren't using MFA, you should be able to use theCredentialparameter instead of theUserPrincipalNameparameter. First, run the command$Credential = Get-Credential, enter your username and password, and then use the variable name for theCredentialparameter (-Credential $Credential). If it do...
Set-Location "SQLSERVER:\SQL\MyComputer\MainInstance" Invoke-SqlCmd -Query "PRINT N'abc'" -Verbose VERBOSE: abc This command uses the Windows PowerShellVerbose parameter to return the message output of the SQL PRINT command. Example 6: Invoke a command using a positional string as input Power...
If a binary string is some multiple of 8 bits long, the highest bit is treated as the sign bit. If a hex string, which has a length that is a multiple of 8, has the first digit with 8 or higher, the numeral is treated as negative....
Check string for two special characters back to back Check to see if user has mailbox in o365 Checking a directory for files older than 5 minutes. Checking and Adding a Registry Key if Missing Checking errors with New-PSdrive Checking for the existence of multiple folders simultaneously. Is ...
Write-Host $randomString OUTPUT 1 2 3 mQ7NgZmX!0 First, we used the ToCharArray() method to create an array of characters stored in the $charArray variable. After that, we used the New-Object cmdlet to create an instance of the System.Random class and stored it in the $randomObjec...
Enter the composite format string on the left side of the operator and the objects to be formatted on the right side of the operator. PowerShell "{0} {1,-10} {2:N}"-f1,"hello",[Math]::PI Output 1 hello 3.14 You can zero-pad a numeric value with the"0" custom specifier. The...
A regular expression, also known as regex, is aspecial sequence of characters used to match a pattern in a string.For example, you can build a regular expression to find a credit card number inside a string. You start by constructing a pattern to match the sequence of four groups th...