[Gllug] Sed and case insensitivity

[Tethys]

>Could anyone tell me if there is a way to make sed treat it's regular
>expressions as case insensitive rather than having to do stuff like
>
>/[hH][eE][lL][lL][oO]/Goodbye/s

Add a trailing /i:

	echo HeLlO | sed 's/hello/Goodbye/i'

Only works with GNU sed, though, so don't expect it to be portable.

Tet

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