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ABENCOUNT_FUNCTIONS - COUNT FUNCTIONS
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- count, count_...
1. ... count( val = text ${
sub = substring$}$|${
pcre = regex$} $[case = case$]
$[
off = off$] $[len = len$] ) ...
2. ... count_any_of( val = text sub = substring
$[off = off$] $[len = len$] ) ...
3. ... count_any_not_of( val = text
sub = substring
$[off = off$] $[len = len$] ) ...
Effect
The built-in search functions count and count_... search text in the same way as the corresponding search functions find and find_..., either in the entire string text or in a subarea defined using off and len for characters specified in substring or for a match with a regular expression specified in regex. Instead of an offset, they return the number of all occurrences.
If the argument pcre is used, regex must contain a PCRE regular expression. A regular expression in PCRE syntax is compiled in an extended mode: Most unescaped whitespace (blanks and line breaks) of the pattern are ignored outside character classes and comments can be placed behind #. In order to include whitespace and # in a pattern, they must be escaped or the extended mode must be switched of with (?-x) in the regular expression.
The return value has the type i.
Note
Besides pcre, also the obsolete argument regex can be used. Then an obsolete POSIX regular expression must be passed.
The result of the following function calls is 1, 3, and 6.
Example
The result of the first counting is 2 because the PCRE regular expression handles the surrogate pair in the character string as two characters by default. When counting with a regular expression that is introduced with (*UTF), the result is 1, because the surrogate pair is interpreted as one UTF-16 character.
String Functions, count, find and match
Exceptions
Catchable Exceptions
- Cause: Illegal offset or length specified in off and len.
Runtime Error: STRING_OFFSET_TOO_LARGE
- Cause: More information: Exceptions in Regular Expressions.
Runtime Error: REGEX_TOO_COMPLEX
- Cause: Substring in sub or regular expression in regex is empty or occurrence in occ is 0.
Runtime Error: STRG_ILLEGAL_PAR
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Length: 6340 Date: 20240420 Time: 073429 sap01-206 ( 68 ms )
