HL7 V2 分隔符

Character	Purpose
0x0D	Marks the end of each segment.
|	Composite delimiter.
^	Sub-composite delimiter.
&	Sub-sub-composite delimiter.
~	Separates repeating fields.
\	Escape character.

The following table lists the default delimiter characters used in HL7:

–<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