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danrega
2024-09-02 16:54:23 +02:00
parent f3dfa335e9
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07_String_Processing.md
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@@ -507,7 +507,7 @@ DATA(len_xstr) = xstrlen( xstr ). "24
`&&` and string templates. Alternatively, you can use
[`CONCATENATE`](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abapconcatenate.htm)
statements.
- It is also possible to concatenate lines from internal tables
- It is also possible to concatenate lines from internal tables with character-like line type
into a string to avoid a loop.
- A more modern way is to use
the string function
@@ -827,6 +827,7 @@ and
- These functions offer more options in terms of parameters, such as the use of [PCRE regular
expressions](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abenpcre_regex_glosry.htm "Glossary Entry"),
which are covered below.
- As also shown further down, using the built-in function `match`, you can extract substrings matching a given pattern.
Syntax examples:
``` abap
@@ -904,6 +905,12 @@ s2 = substring_from( val = s1 sub = `a3` ). "a3bb4
"... up to a specified substring. It includes the substring specified
"in sub. len/off and other parameters are possible.
s2 = substring_to( val = s1 sub = `3b` ). "aa1bb2aa3b
"Extracting a substring matching a given pattern
"AB
s2 = match( val = `ABAP`
pcre = `.b` "Any character followed by b/B
case = abap_false ).
```
<p align="right"><a href="#top">⬆️ back to top</a></p>
@@ -1942,7 +1949,7 @@ REPLACE ALL OCCURRENCES OF PCRE `p.` IN s1 WITH `XY` "XY?aXY#ab?a
#### Overview/Examples: Using PCRE Regular Expressions in Various Contexts
- As also covered in other sections, there are multiple contexts where regular expressions (PCRE) are possible, among them:
- As also covered in other sections, there are multiple contexts where regular expressions are possible, for example, PCRE regular expressions. Among them are:
- Statements (`PCRE` addition): `FIND`, `REPLACE`
- Classes: `CL_ABAP_REGEX`, `CL_ABAP_MATCHER`
- Built-in functions having the `pcre` parameter: `find`, `find_end`, `count`, `match`, `replace`, `substring_from`, `substring_after`, `substring_before`, `substring_to`
@@ -2001,13 +2008,13 @@ some_string = original_string.
DATA(replace_all_occ) = replace( val = some_string pcre = `\s` with = `#` occ = 0 ).
"The following examples always use the first occurrence
"' bb cc dd ee'
"` bb cc dd ee`
DATA(substr_from) = substring_from( val = some_string pcre = `\s` ).
"'aa '
"`aa `
DATA(substr_to) = substring_to( val = some_string pcre = `\s` ).
"'aa'
"`aa`
DATA(substr_before) = substring_before( val = some_string pcre = `\s` ).
"bb cc dd ee