a valid [...] range has the lower value char on the left and higher value
character on the right
On Sun, 24 Jun 2012 03:15:45 +0200 =?KOI8-R?B?z8zYx8Egy9LZ1sHOz9fTy8HR?= wrote:
> The egrep expression below fails because : in a range [...] is not quoted:
> echo "hello name=\"value\" world" | grep -b --strict -E
> "((?:[[:alnum:]_-:]+=\"[^\"]*?\"))" | cat
> grep: regular expression: invalid [...] range endpoint
> Now, how to I fix that? Adding \'s does not work:
> echo "hello name=\"value\" world" | grep -b --strict -E
> "((?:[[:alnum:]_-\:]+=\"[^\"]*?\"))" | cat
> grep: regular expression: invalid [...] range endpoint
> echo "hello name=\"value\" world" | grep -b --strict -E
> "((?:[[:alnum:]_-\\:]+=\"[^\"]*?\"))" | cat
> grep: regular expression: invalid [...] range endpoint
> echo "hello name=\"value\" world" | grep -b --strict -E
> "((?:[[:alnum:]_-\\\:]+=\"[^\"]*?\"))" | cat
> grep: regular expression: invalid [...] range endpoint
> echo "hello name=\"value\" world" | grep -b --strict -E
> "((?:[[:alnum:]_-\\\\:]+=\"[^\"]*?\"))" | cat
> grep: regular expression: invalid [...] range endpoint
> Olga
> P.S.: Glenn, thank you for grep --strict and sed --strict. I wish ksh
> had an option to print such diagnostics for shell and extended regular
> expressions.
> --
> , _ _ ,
> { \/`o;====- Olga Kryzhanovska -====;o`\/ }
> .----'-/`-/ [email protected] \-`\-'----.
> `'-..-| / http://twitter.com/fleyta \ |-..-'`
> /\/\ Solaris/BSD//C/C++ programmer /\/\
> `--` `--`
> _______________________________________________
> ast-users mailing list
> [email protected]
> https://mailman.research.att.com/mailman/listinfo/ast-users
_______________________________________________
ast-users mailing list
[email protected]
https://mailman.research.att.com/mailman/listinfo/ast-users
