fix typo of README.md (#10605)

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Wang Ran (汪然) 2024-12-04 09:22:50 +08:00 committed by GitHub
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commit 98036d5670
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@ -46,7 +46,7 @@ Terminals support the full range of Unicode. Unicode characters can be specified
Character ranges can be negated with `^`:
```
single-line ::= [^\n]+ "\n"`
single-line ::= [^\n]+ "\n"
```
## Sequences and Alternatives