private Func <LogEvent, bool>?PerformMessageLikeFilter(string filterExpression)
{
var filterSearch = $"@Message like '%{SerilogExpression.EscapeLikeExpressionContent(filterExpression)}%'";
if (SerilogExpression.TryCompile(filterSearch, out CompiledExpression? compiled, out var error))
{
// `compiled` is a function that can be executed against `LogEvent`s:
return(evt =>
{
LogEventPropertyValue?result = compiled(evt);
return ExpressionResult.IsTrue(result);
});
}
return(null);
}