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Quantify boundary should error or match empty #2

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didavid61202 opened this issue Apr 15, 2023 · 0 comments
Open

Quantify boundary should error or match empty #2

didavid61202 opened this issue Apr 15, 2023 · 0 comments
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bug Something isn't working good first issue Good for newcomers

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any quantifier following single \b (boundary pattern) should show syntax error Nothing to repeat

ParseRegExp<'\\b+'> // should show syntax error
// or
ParseRegExp<'\\b*'>  // should show syntax error

but (\b)? should match empty stirng

MatchRegExp<'123', ParseRegExp<'(\\b)+'>, never> // MatchResult<[''], '123', never>
@didavid61202 didavid61202 self-assigned this Apr 15, 2023
@didavid61202 didavid61202 added bug Something isn't working good first issue Good for newcomers labels Apr 15, 2023
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