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# System prepended metadata

title: Regular expressions

---

*Một chút note về Regex để khi nào quên thì xem lại*🫠😗

![Screenshot 2024-03-18 230431](https://hackmd.io/_uploads/BkwPvkU0p.png)

*Ví dụ:*

![image](https://hackmd.io/_uploads/Sy1xO18Ap.png)

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![Screenshot 2024-03-18 230657](https://hackmd.io/_uploads/r1fdOkU0T.png)

*Ví dụ:*

![image](https://hackmd.io/_uploads/HkZT_yLAa.png)

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![Screenshot 2024-03-18 230808](https://hackmd.io/_uploads/HJtR_1LCp.png)
![Screenshot 2024-03-18 230927](https://hackmd.io/_uploads/HkdrF1IA6.png)
![image](https://hackmd.io/_uploads/rJCw9k8Rp.png)



*Ví dụ:*

![image](https://hackmd.io/_uploads/HkqEtyIRT.png)

![image](https://hackmd.io/_uploads/H1P15yIR6.png)

![image](https://hackmd.io/_uploads/r1IM5kL0a.png)

![image](https://hackmd.io/_uploads/r1gE9yIA6.png)

