abap正则表达式实例

REPORT z_barry_test.

DATA: str TYPE string ,
result_tab TYPE match_result_tab ,
wa LIKE LINE OF result_tab.

*找出STRING里面的双字节字符
str = 'abc我啊adfsf们'.
FIND ALL OCCURRENCES OF REGEX '[^\x00-\xff]*' IN str RESULTS result_tab.
LOOP AT result_tab INTO wa.
WRITE / str+wa-offset(wa-length).
ENDLOOP.

*找出STRING里面的单字节字符
str = 'abc我啊adfsf们'.
FIND ALL OCCURRENCES OF REGEX '[\x00-\xff]*' IN str RESULTS result_tab.
WRITE / '-----'.
LOOP AT result_tab INTO wa.
WRITE / str+wa-offset(wa-length).
ENDLOOP.

*找出STRING里面的IP地址
str = 'IP1:172.16.32.12 IP2:192.168.1.1 '.
FIND ALL OCCURRENCES OF REGEX '\d+\.\d+\.\d+\.\d+' IN str RESULTS result_tab.
WRITE / '-----'.
LOOP AT result_tab INTO wa.
WRITE / str+wa-offset(wa-length).
ENDLOOP.

*找出STRING里面的***-********格式的电话号码
str = 'IP1:172.16.32.12 021-******** '.
FIND ALL OCCURRENCES OF REGEX '\d{3}-\d{8}|\d{4}-\d{7}' IN str RESULTS result_tab.
WRITE / '-----'.
LOOP AT result_tab INTO wa.
WRITE / str+wa-offset(wa-length).
ENDLOOP.

*找出STRING里面的15/18位身份证号码
str = 'IP1:172.16.32.12 3722198003041234 '.
FIND ALL OCCURRENCES OF REGEX '\d{15}|\d{18}' IN str RESULTS result_tab.
WRITE / '-----'.
LOOP AT result_tab INTO wa.
WRITE / str+wa-offset(wa-length).
ENDLOOP.

***使用CLASS的例子：
REPORT z_barry_test.

PARAMETERS: p_input TYPE string DEFAULT 'IP1:172.16.32.12 IP2:192.168.1.1 ' OBLIGATORY.

DATA: regex TYPE REF TO cl_abap_regex,
matcher TYPE REF TO cl_abap_matcher,
match TYPE c .
DATA: result_tab TYPE match_result_tab ,
wa LIKE LINE OF result_tab.

CREATE OBJECT regex
EXPORTING
pattern = '\d+\.\d+\.\d+\.\d+'
ignore_case = 'X'.

TRY.
CALL METHOD regex->create_matcher
EXPORTING
text = p_input
* table =
RECEIVING
matcher = matcher .
CATCH cx_sy_matcher .
ENDTRY.

TRY.
CALL METHOD matcher->match "是否完全匹配
RECEIVING
success = match.
CATCH cx_sy_matcher .
ENDTRY.

CALL METHOD matcher->find_all
RECEIVING
matches = result_tab.
LOOP AT result_tab INTO wa.
WRITE / p_input+wa-offset(wa-length).
ENDLOOP.



***SAP给的判断Email地址的例子***
PARAMETERS email TYPE c LENGTH 30 LOWER CASE DEFAULT 'sap@https://www.wendangku.net/doc/99134344.html,'.
DATA matcher TYPE REF TO cl_abap_matcher.
matcher = cl_abap_matcher=>create( pattern = '\w+(\.\w+)*@(\w+\.)+(\w{2,4})'
ignore_case = 'X'
text = email ).
IF matcher->match( ) IS INITIAL.
MESSAGE 'Wrong Format' TYPE 'I'.
ELSE.
MESSAGE 'Format OK' TYPE 'I'.
ENDIF.