Différences

Ci-dessous, les différences entre deux révisions de la page.

--- linux:sed [17-03-2014 15:38]
edmc73 [Suppression]
+++ linux:sed [16-04-2014 09:54]
edmc73 [Regexp extended]
@@ Ligne 129: / Ligne 129: @@
 >Examples:
 >
->abc?
+>abc? -> ‘abc\?’ when using extended regular expressions. It matches the literal string ‘abc?’.
->becomes ‘abc\?’ when using extended regular expressions. It matches the literal string ‘abc?’.
+>c\+ ->  ‘c+’ when using extended regular expressions. It matches one or more ‘c’s.
->c\+
+>a\{3,\} -> ‘a{3,}’ when using extended regular expressions. It matches three or more ‘a’s.
->becomes ‘c+’ when using extended regular expressions. It matches one or more ‘c’s.
+>\(abc\)\{2,3\} -> ‘(abc){2,3}’ when using extended regular expressions. It matches either ‘abcabc’ or ‘abcabcabc’.
->a\{3,\}
+>\(abc*\)\1 -> ‘(abc*)\1’ when using extended regular expressions. Backreferences must still be escaped when using extended regular expressions.
->becomes ‘a{3,}’ when using extended regular expressions. It matches three or more ‘a’s.
->\(abc\)\{2,3\}
->becomes ‘(abc){2,3}’ when using extended regular expressions. It matches either ‘abcabc’ or ‘abcabcabc’.
->\(abc*\)\1
->becomes ‘(abc*)\1’ when using extended regular expressions. Backreferences must still be escaped when using extended regular expressions.