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• matches ABAP_FUNCTION
ABAP_RELEXP - matches
ABAP_SYNTAX ... matches( val = text pcre$|xpath = regex $[ case = case$] $[off = off$] $[len = len$] ) ...
What does it do? The built-in predicate function matches compares a search range of the argument text, defined using off and len, with the regular expression specified in regex.
If the argument pcre is used, regex must contain a PCRE regular expression.
If the argument xpath is used, regex must contain a XPath regular expression. A regular expression in PCRE or XPath 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 specify whitespace and # in a pattern, they must be escaped or the extended mode must be switched of with (?-x) in the regular expression. The function returns a truth value.
The return value is true when the whole search range matches the regular expression.
It is false else. The comparison is case-sensitive by default, but this can be overridden using the parameter case.
Latest notes:
The match function match can be used to return a substring that matches a regular expression.
Besides pcre and xpath, the obsolete argument regex can also be used. Then an obsolete POSIX regular expression must be passed. NON_V5_HINTS ABAP_HINT_END
ABAP_EXAMPLE_VX5 The first predicate function returns the value true because the argument val only contains letters. The second predicate function returns the value false because the argument val also contains numbers. ABEXA 01123 ABAP_EXAMPLE_END
