LangStudies/App/RegM/Lectures/Lecture.9.Notes.md

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# Syntactic Sugar
Ex:
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RegEx : `/a+|[0-3]/`
SRegEx: `a.repeat(1-) | set(0-3)`
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`A+` === `AA*` === `A.repeat(1-)` === `AA.repeat(0-)`
`A?` === `A|ε` === `A.repeat(0-1)`
`[0-9]` === `0|1|2|3|4|5|6|7|8|9` === `set(0-9)`