Filter employees whose name contains 'a' (case-insensitive)?

Short answer: Filter employees whose name contains 'a' (case-insensitive) var filtered = employees .Where(e => e.Name.IndexOf('a', StringComparison.OrdinalIgnoreCase) >= 0); Filter employees whose name contains 'a' (case-insensitive) var filtered = employees .Where(e => e.Name.IndexOf('a', StringComparison.OrdinalIgnoreCase) >= 0); Real-world… example (ShopNest)… ShopNest… filters active products with products.Where(p =>…

Explain a bit more

p.IsActive && p.Stock > 0) before showing the catalog. Filter employees whose name contains 'a' (case-insensitive) var filtered = employees .Where(e => e.Name.IndexOf('a', StringComparison.OrdinalIgnoreCase) >= 0); Filter employees whose name contains 'a' (case-insensitive) var filtered = employees .Where(e => e.Name.IndexOf('a', StringComparison.OrdinalIgnoreCase) >= 0); Real-world… example (ShopNest) ShopNest filters active products with products.Where(p => p.IsActive && p.Stock > 0) before showing the catalog.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.