System leet
Leet (1337-speak)
Numbers and symbols substituted for similar-looking letters: 0=O, 1=I, 3=E, 4=A, 5=S, 7=T. Common since the early 1980s BBS scene.
Mapping
- 0
- O
- 1
- I, L
- 3
- E
- 4
- A
- 5
- S
- 7
- T
- 8
- B
Example
1337 → LEET
Numbers and symbols substituted for similar-looking letters: 0=O, 1=I, 3=E, 4=A, 5=S, 7=T. Common since the early 1980s BBS scene.