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Escaped Tokens for Regex Syntax Egrep
The literal byte with octal value n..n.
The literal byte with decimal value
- \xn..n or \0xn..n
The literal byte with hexadecimal value n..n.
Match the empty string at the beginning of a word.
Match the empty string at the end of a word.
Match the empty string at a word boundary.
Match the empty string provided it is not at a word boundary.
Match a word-constituent character, equivalent to [a:zA:Z0:9-].
Match a non-word-constituent character.
Literal alarm character.
Literal escape character.
Literal line feed.
Literal new line, equivalent to C's \n so it can be more than one character long.
Literal carriage return.
All other escaped characters denote the literal character itself.
Reduce Secure Shell risk. Get to know the NIST 7966.
The NISTIR 7966 guideline from the Computer Security Division of NIST is a direct call to action for organizations regardless of industry and is a mandate for the US Federal government.
ISACA Practitioner Guide for SSH
With contributions from practitioners, specialists and SSH.COM experts, the ISACA “SSH: Practitioner Considerations” guide is vital best practice from the compliance and audit community.