Read sql error log, skip lines that are in a exception list

Question

Could someone help, I am creating a nice powershell script to read a sql server log file but to skip lines that are normal in a sql server. the "normal lines are held in a SQL table.
To expand.
I run a query to get the list of exception lines using invoke-sqlcmd  this creates $TextEXP
this will contain things like "Microsoft Corporation", "All rights reserved", "Starting up Database"
I then connect to a sql server using SMO and want to read in the error log where the text is not matched the values in $textExpI want to avoid reading extra data and process it. I have a work round but its not a nice clean as its hardcoded the match.
$ENV =$srv.ReadErrorLog()
|? {  $_.text
-notmatch'This
is an informational message only'-and$_.text
-notmatch'No
user action is required'-and$_.text
-notmatch'found
0 errors'-and$_.text
-notmatch'Microsoft
Corporation.'-and$_.text
-notmatch'All
rights reserved.'-and$_.text
-notmatch'Server
process ID is'-and$_.text
-notmatch'System
Manufacturer: '-and$_.text
-notmatch'Starting
up database'-and$_.text
-notmatch'Using
''dbghelp.dll'' version'-and$_.text
-notmatch'Authentication
mode is'-and$_.text
-notmatch'Logging
SQL Server messages in file '-and$_.text
-notmatch'Setting
database option'-and$_.text
-notmatch'The
error log has been reinitialized. See the previous log for older entries'-and$_.text
-notmatch'Server
is listening on '-and$_.text
-notmatch'Registry
startup parameters:'-and$_.text
-notmatch'Clearing
tempdb database'-and$_.text
-notmatch'Service
Broker manager has started'-and$_.text
-notmatch'The
Service Broker protocol transport is disabled or not configured'`
-and$_.ProcessInfo
-notmatch"Logon"-and$_.logdate
-ge$Sdate}

Answer 1

So after some looking about on the web I found that you can use the | in a string
the following will give an idea of how to use this (this is not a clean bit of code but will give you a starting point)
$TextEXP  this is a data table from sql server with the list of values I want to skip
The field name (col name) is extext
Set the string to be empty
$exclusions = ""
#Create a string with the values in $TextExp
Foreach($value in $TextExp){
$exclusions = $exclusions + "$($value.extext)|"
#remove the last pipe from the string
$exclusions = $exclusions.substring(0,$exclusions.length-1)
##This will create a long string value|value|value###
$err = $srv.readerrorLog() | ?{$_.text - notmatch $exclusions}
###end
May need bit of a clean up and may be a better way but seems to do what I need for now.
Thanks all for the help