abap反截子字串

不定长字符串,截取后面的第二个到第三个字符HI。

text = 'AB。。。CDEFGHIJ'.

len = strlen( text ) - 3.

SHIFT text by len LEFT.

result_HI = text+0(2).

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SHIFT dobj 

 [{BY num PLACES} | {UP TO sub_string}]

 [LEFT|RIGHT] [CIRCULAR]

SHIFT dobj

 {LEFT DELETING LEADING} | {RIGHT DELETING TRAILING} pattern. 

 [IN {BYTE|CHARACTER} MODE].