SAP ABAP REGEX

Ejemplos REGEX

Ejemplo de Uso de regex en ABAP

DATA: lt_match_result TYPE match_result_tab.
data: l_regex type string,
      l_string type string.
data: l_matches TYPE i.

l_regex = '^[^<>()\[\]\\,;:\s@"`]+@([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}$'.
l_string = 'pablo.tapia@sapwiki.cl'.

FIND ALL OCCURRENCES OF REGEX l_regex IN l_string
          IN CHARACTER MODE RESPECTING CASE
          MATCH COUNT l_matches RESULTS lt_match_result.
if l_matches le 0.
  message i000(0k) with 'E-mail no valido' display like 'E'.
  return.
endif.

validar rut (muy simple)

FIND REGEX '[0-9]{1,8}-([0-9]|K)' IN l_strng.

valida e-mail

^[^<>()\[\]\\,;:\s@"`]+@([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}$

validar Números

validar número
1.1111 correcto
-1.1111 correcto
1.11111- correcto
1111 correcto

^[-?0-9]+([.])?([0-9]+)?-?$

números de 2 enteros y 7 decimales
1.1234567 correcto
11.1234560 correcto

^[0-9]{1,2}\.([0-9]{7})+$

con signo izquierda
-1.1234567 correcto
1.1234567 correcto

^-?[0-9]{1,2}\.([0-9]{7})+$

con signo derecha o izquierda
^-?[0-9]{1,2}\.([0-9]{7})+-?$

validar número entero
^[0-9]+$

numero NNN.NN
valido
111.1
11.11
1

^\d{1,3}(\.\d{1,2})?$

numero entero con máximo de 13 caracteres
valido
1234567890111
111
1

^\d{1,13}$

MODULE verificar_folio INPUT.
  DATA l_string TYPE string.
  DATA l_folio(7) TYPE n.

  IF zfi_datoscajas-folio IS NOT INITIAL.
    MOVE zfi_datoscajas-folio TO l_string.
    CONDENSE l_string.

    FIND REGEX '[^\d]' IN l_string IN CHARACTER MODE RESPECTING CASE.
    IF sy-subrc = 0.
      MESSAGE e000(0k) WITH 'Folio deber contener solo números'.
    ELSE.
      MOVE l_string TO l_folio.
      MOVE l_folio TO zfi_datoscajas-folio.
    ENDIF.
  ENDIF.
ENDMODULE.

Elimina prefijo

* NC00000009 -> 00000009
*saca prefijos de XBLNR
data l_xblnr type string.
 
l_xblnr = vbrk-xblnr.
 
REPLACE all OCCURRENCES OF REGEX '[[:alpha:]]' IN l_xblnr with ''.
if sy-subrc = 0.
....
endif.

ejemplo 2

REPLACE all OCCURRENCES OF REGEX '[^\d]' in l_xblnr WITH ''.

convertir fecha (yyyymmdd->dd/mm/yyyy)

data l_fecha(10).
l_fecha = sy-datum.
replace FIRST OCCURRENCE OF REGEX '(\d{4})(\d{2})(\d{2})'
                         in l_fecha WITH '$3/$2/$1'.
write:/ l_fecha.

Convierte folio

* Folio1: PRmmaaRppnnnnnn
* Folio2: 0208020 + aa + mm + nnnnnn
* Ejemplo: PR0720R007188233 se convierte en 02080202007188233

*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM conv_folio USING p_xblnr TYPE bsis-xblnr
                 CHANGING p_folio TYPE ze_folio.

  DATA l_string TYPE string.

  CLEAR p_folio.

  l_string = p_xblnr.
  REPLACE FIRST OCCURRENCE OF REGEX '(.{2})(.{2})(.{2})(.{1})(.{1})(.{2})(.{6})'
                           IN l_string WITH '0208020$3$2$7'.
  IF sy-subrc = 0.
    p_folio = l_string.
  ENDIF.

ENDFORM.

usar REGEX como IF

ejemplo para verificar por clase de entrega

data l_lfart type string.
 
l_lfart = likp-lfart.
find REGEX 'Y101|Y100|Y102' in l_lfart.
if sy-subrc = 0.
  write:/ 'continue'.
else.
  write:/ 'Exit'.
endif.

DEMOS

RS_SIC_REGEX_CHECK
DEMO_REGEX_TOY

Regular Expression Patterns

Escape character
Special character Meaning
\ Escape character for special characters
Special Characters for single character string
Special character Meaning
. Placeholder for any single character
\C Placeholder for any single character
\d Placeholder for any single digit
\D Placeholder for any character other than a digit
\l Placeholder for any lower-case letter
\L Placeholder for any character other than a lower-case letter
\s Placeholder for a blank character
\S Placeholder for any character other than a blank character
\u Placeholder for any upper-case letter
\U Placeholder for any character other than an upper-case letter
\w Placeholder for any alphanumeric character including _
\W Placeholder for any non-alphanumeric character except for _
[ ] Definition of a value set for single characters
[^ ] Negation of a value set for single characters
[ - ] Definition of a range in a value set for single characters
[ [:alnum:] ] Description of all alphanumeric characters in a value set
[ [:alpha:] ] Description of all letters in a value set
[ [:blank:] ] Description for blank characters and horizontal tabulators in a value set
[ [:cntrl:] ] Description of all control characters in a value set
[ [:digit:] ] Description of all digits in a value set
[ [:graph:] ] Description of all graphic special characters in a value set
[ [:lower:] ] Description of all lower-case letters in a value set
[ [:print:] ] Description of all displayable characters in a value set
[ [:punct:] ] Description of all punctuation characters in a value set
[ [:space:] ] Description of all blank characters, tabulators, and carriage feeds in a value set
[ [:unicode:] ] Description of all Unicode characters in a value set with a code larger than 255
[ [:upper:] ] Description of all upper-case letters in a value set
[ [:word:] ] Description of all alphanumeric characters in a value set, including _
[ [:xdigit:] ] Description of all hexadecimal digits in a value set
\a \f \n \r \t \v Diverse platform-specific control characters
[..] Reserved for later enhancements
[==] Reserved for later enhancements
Special Characters for character string patterns
Special character Meaning
{n} Concatenation of n single characters
{n,m} Concatenation of at least n and a maximum of m single characters
{n,m}? Reserved for later enhancements
? One or no single characters
* Concatenation of any number of single characters including 'no characters'
*? Reserved for later enhancements
+ Concatenation of any number of single characters excluding 'no characters'
+? Reserved for later enhancements
| Linking of two alternative expressions
( ) Definition of subgroups with registration
(?: ) Definition of subgroups without registration
\1, \2, \3 ... Placeholder for the register of subgroups
\Q ... \E Definition of a string of literal characters
(? ... ) Reserved for later enhancements
Special Characters for search string
Special character Meaning
^ Anchor character for the start of a line
\A Anchor character for the start of a character string
$ Anchor character for the end of a line
\Z Anchor character for the end of a character string
\< Start of a word
\> End of a word
\b Start or end of a word
\B Space between characters within a word
(?= ) Preview condition
(?! ) Negated preview condition
Special Characters for replacement texts
Special character Meaning
$0, $& Placeholder for the whole found location
$1, $2, $3... Placeholder for the register of subgroups
$` Placeholder for the text before the found location

ejemplos

^ start line
$ end line
^\w+$ matches one or more word characters (same as [a-zA-Z0-9_]+). Ex. TRUE: 33737733aaaaaa_aaaaaa FALSE: 33737733aaa+aaa_aaaaaa
^[0-9]+$ or ^\d+$ Full Numeric Strings 
\S+, one or more non-whitespaces