Function isAlphanumericID

sdk/go/parser/markdown.go:261–274

isAlphanumericID returns true if s is 3-8 lowercase alphanumeric chars with at least one digit. This avoids false-positives on English words like "readme".

(s string)

// isAlphanumericID returns true if s is 3-8 lowercase alphanumeric chars with at least one digit.
// This avoids false-positives on English words like "readme".
func isAlphanumericID(s string) bool {
	if len(s) < 3 || len(s) > 8 {
		return false
	}
	hasDigit := false
	for _, c := range s {
		if c >= '0' && c <= '9' {
			hasDigit = true
		} else if c < 'a' || c > 'z' {
			return false
		}
	}
	return hasDigit
}

// extractFrontmatter splits content into frontmatter and body
func extractFrontmatter(content []byte) (frontmatter []byte, body string, err error) {