File: sed.info,  Node: sed regular expressions,  Next: advanced sed,  Prev: sed addresses,  Up: Top

5 Regular Expressions: selecting text
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* Menu:

* Regular Expressions Overview:: Overview of Regular expression in ‘sed’
* BRE vs ERE::               Basic (BRE) and extended (ERE) regular expression
                             syntax
* BRE syntax::               Overview of basic regular expression syntax
* ERE syntax::               Overview of extended regular expression syntax
* Character Classes and Bracket Expressions::
* regexp extensions::        Additional regular expression commands
* Back-references and Subexpressions:: Back-references and Subexpressions
* Escapes::                  Specifying special characters
* Locale Considerations::    Multibyte characters and locale considerations