| ContainsWhiteSpace(StringBuilder) | Indicates whether the StringBuilder contains white space. |
| ContainsWhiteSpace(StringBuilder, Int32) | Examines a section of the StringBuilder that begins at startIndex to see whether it contains white space. |
| ContainsWhiteSpace(StringBuilder, Int32, Int32) | Examines a section of the StringBuilder that begins at startIndex and includes count characters to determine whether this section contains white space. |