E

-ea (-ErrorAction) parameter, 11

email

address pattern match

regular expression, 154, 155

embedded variables, 22, 23

env providers, 7

environmental variables, 88

environments

profiles, 13, 14, 15, 16, 17

-eq operator, 139

error handling, 229, 230

error trapping tips, 234, 236

ErrorAction argument, 230, 231

scopes, 232

throwing exceptions, 232, 233, 234

trap handlers, 231, 232

VBScript, 341, 342

-ErrorAction (-ea) parameter, 11

ErrorAction argument, 230, 231

ErrorDetails property

ErrorRecord cmdlet, 230

ErrorRecord cmdlet

properties, 230

-ErrorVariable (-ev) parameter, 12

escape characters, 24, 117, 118, 119

-ev (-ErrorVariable) parameter, 12

event logs

Windows management, 274, 275, 276, 277, 278

-exact option

Switch statement, 177

Exception property

ErrorRecord cmdlet, 230

exceptions

error handling, 230, 232, 233, 234

executables

CLI (command-line interface), 4

ExecuteNonQuery method, 325

ExecuteReader method, 325

execution policies

reasons script won't run, 40

script security, 43, 44

Export-Alias cmdlet, 366

Export-Clixml cmdlet, 367

Export-CliXML cmdlet, 201, 202

Export-Console cmdlet, 368

Export-Csv cmdlet, 369

Export-CSV cmdlet, 199, 200

exporting data outputs

ConvertTo-HTML cmdlet, 202, 203, 204

Export-CliXML cmdlet, 201, 202

Export-CSV cmdlet, 199, 200

expression mode, 24

expression modes, 117

extending types

aliases, 332

functionality extension, 332, 333, 334

modularization, 334

PowerShell type file, 332