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ABENREGEX_POSIX_SYNTAX_SPECIALS - REGEX POSIX SYNTAX SPECIALS
General Data in Customer Master TXBHW - Original Tax Base Amount in Local CurrencyThis documentation is copyright by SAP AG.
- Special Characters (obsolete)
The following tables summarize the special characters in POSIX regular expressions.
Escape Character
| Special Character | Meaning |
| \ | Escape character for special characters |
Note
The string function escape can be used to prefix all special characters for regular expressions with their escape character.
Special Characters for Single Character Strings
| Special Character | Meaning |
| . | Placeholder for any single character |
| \C | Placeholder for any single character |
| \d | Placeholder for any digit |
| \D | Placeholder for any non-digit character |
| \l | Placeholder for any lowercase letter |
| \L | Placeholder for any non-lowercase letter |
| \s | Placeholder for a blank character |
| \S | Placeholder for a non-blank character |
| \u | Placeholder for any uppercase letter |
| \U | Placeholder for any non-uppercase 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:]] | Designation for all alphanumeric characters in a value set |
| [[:alpha:]] | Designation for all letters in a value set |
| [[:blank:]] | Designation for blank characters and horizontal tabulators in a value set |
| [[:cntrl:]] | Designation for all control characters in a value set |
| [[:digit:]] | Designation for all digits in a value set |
| [[:graph:]] | Designation for all displayable characters apart from blank characters and horizontal tabulators in a value set |
| [[:lower:]] | Designation for all lowercase letters in a value set |
| [[:print:]] | Designation for all displayable characters in a value set |
| [[:punct:]] | Designation for all punctuation marks in a value set |
| [[:space:]] | Designation for all blank characters, tabulators, carriage returns and line feeds in a value set |
| [[:unicode:]] | Designation for all Unicode characters in a value set with a code greater than 255 |
| [[:upper:]] | Designation for all uppercase letters in a value set |
| [[:word:]] | Designation for all alphanumeric characters and _ in a value set |
| [[:xdigit:]] | Designation for all hexadecimal digits in a value set |
| \a \f \n \r \t \v | Various platform-dependent control characters |
| [..] | Reserved for future enhancements |
| [==] | Reserved for future enhancements |
Special Characters for Character String Patterns
| Special Character | Meaning |
| {n} | Chaining of n single characters |
| {n,m} | Chaining of at least n and a maximum of m single characters |
| {n,m}? | Reserved for future enhancements |
| ? | One single character or no single characters |
| * | Chaining of any number of single characters including 'no characters' |
| *? | Reserved for future enhancements |
| + | Chaining of any number of single characters excluding 'no characters' |
| +? | Reserved for future enhancements |
| | | Combination of two alternative expressions |
| ( ) | Definition of subgroups with registration |
| (?: ) | Definition of subgroups without registration |
| \1, \2, \3 ... | Placeholder for the registration of subgroups |
| \Q ... \E | Definition of a string of literal characters |
| (? ... ) | Reserved for future enhancements |
Special Characters for Search Patterns
| 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 |
| \Z | The same as for \z. Line feeds at the end of the character string, however, are ignored |
| \ | 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 |
| (?> ) | Cut operator |
Special Characters for Replacement Texts
| Special Character | Meaning |
| $0, $& | Placeholder for the entire occurrence |
| $1, $2, $3... | Placeholder for the registration of subgroups |
| $` | Placeholder for the text in front of the occurrence |
| $' | Placeholder for the text after the occurrence |
TXBHW - Original Tax Base Amount in Local Currency BAL_S_LOG - Application Log: Log header data
This documentation is copyright by SAP AG.
Length: 15029 Date: 20240426 Time: 110345 sap01-206 ( 64 ms )
