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The following table lists the default delimiter characters used in HL7:
Delimiter Characters
| Character | Purpose |
|---|---|
| 0x0D | Marks the end of each segment. |
| | | Composite delimiter. |
| ^ | Sub-composite delimiter. |
| & | Sub-sub-composite delimiter. |
| ~ | Separates repeating fields. |
| \ | Escape character. |
– <CR> : 段中止符
– | : 字段分隔符
– ^ : 组件分隔符
– & : 子组件分隔符
– ~ : 重复分隔符
– \ : Escape Character