Some short examples on how you can use string operators -like and -match
1 2 3 4 5 6 7 8 9 10 11 | # Wildcards "PowerShell" -like "Power*" "PowerShell" -like "bash*" "PowerShell" -like "?owerShell" # question marks work for single characters "PowerShell" -like "Power*[s-v]" # ends in a char between s and v "PowerShell" -like "Power*[a-c]" # ends in a char between a and c # Regular Expressions "123-345-6789" -match "[0-9]{3}-[0-9]{3}-[0-9]{4}" "ABX-345-6789" -match "[0-9]{3}-[0-9]{3}-[0-9]{4}" "123.345.6789" -match "[0-9]{3}-[0-9]{3}-[0-9]{4}" |