Working with text and structured data in PowerShell: JSON, CSV, regex, Select-String (grep), string manipulation, and here-strings. Use when you need to parse or emit JSON/CSV, grep file contents, extract with regex, build multi-line strings, or when ConvertFrom-Json gives you a PSCustomObject you expected to be a hashtable. Covers the -AsHashtable difference between 5.1 and 7+.
