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doc: fen.IsValid

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Maas Lalani 2022-02-06 23:03:13 -05:00
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fen/fen.go
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@ -8,6 +8,7 @@ import (
var fenRegex = regexp.MustCompile(`\s*([rnbqkpRNBQKP1-8]+\/){7}([rnbqkpRNBQKP1-8]+)\s[bw-]\s(([a-hkqA-HKQ]{1,4})|(-))\s(([a-h][36])|(-))\s\d+\s\d+\s*`) var fenRegex = regexp.MustCompile(`\s*([rnbqkpRNBQKP1-8]+\/){7}([rnbqkpRNBQKP1-8]+)\s[bw-]\s(([a-hkqA-HKQ]{1,4})|(-))\s(([a-h][36])|(-))\s\d+\s\d+\s*`)
// IsValid returns whether a FEN string is valid by checking a naive regular expression
func IsValid(fen string) bool { func IsValid(fen string) bool {
return fenRegex.MatchString(fen) return fenRegex.MatchString(fen)
} }