---
type: archive
area: archive
status: archived
date: 2026-05-03
created: 2026-05-03
updated: 1980-01-01
tags:
  - archive
---
### Design Patterns
#### Builder

![[img-20240819-214229-75f9f626.png]]

### Singleton:
 ![[img-20240819-214636-15f2d2c8.png]]
 - Create only one single instance of that object
#### Regular Expressions:
![[img-20240819-215233-41b22146.png]]

![[img-20240819-215455-19a7f0f9.png]]

![[img-20240819-215620-41a6cf51.png]]

![[img-20240819-220112-900ffdec.png]]