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ABENREGEX_SYNTAX - REGEX SYNTAX

ABENREGEX_SYNTAX - REGEX SYNTAX

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- Syntax

describes a set of character strings. The syntax of regular expressions is widely standardized but there are differences between common standards as Perl or POSIX and different syntax flavors as XPath or XSD regular expressions.

The following topics describe the syntax of regular expressions that can be used in ABAP behind additions PCRE$|REGEX in statements, for arguments pcre$|regex$|xpath of built-in functions and with the system classes for regular expressions.

ABAP specific restrictions or modifications to the standard syntax might apply.

Notes

  • The PCRE syntax is more powerful than the POSIX syntax. Furthermore, PCRE regular expressions generally perform better than the POSIX regular expressions supported by ABAP.
  • The test and demonstration program DEMO_REGEX supports all flavors of regular expression syntax supported by ABAP.





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