minLen, err := toInteger(condt[1])
				if err != nil {
					return parsedPolicy, err
				}

				maxLen, err := toInteger(condt[2])
				if err != nil {
					return parsedPolicy, err
				}

				parsedPolicy.Conditions.ContentLengthRange = contentLengthRange{
					Min:   minLen,
					Max:   maxLen,
					Valid: true,
				}
			default:
				// Condition should be valid.

			// r is 2 to 4 bytes
			if len(chars) == width {
				if chars == string(r) {
					return i
				}
				continue
			}
			// Use bytealg.IndexString for performance if available.
			if bytealg.MaxLen >= width {
				if bytealg.IndexString(chars, string(r)) >= 0 {
					return i
				}
				continue
			}
		}
		for _, ch := range chars {
			if r == ch {
				return i
			}
		}
	}