2010/12/27 ольга крыжановская <[email protected]>:
> I'd like to request a "free-spacing and comments" regex mode in ksh so
> that regular expressions, i.e. ~(G), ~(E), ~(X), ~(P), can span
> multiple lines like in perl, JAVA or VB.NET. "Free-spacing and
> comments" in this context means that white spaces are ignored for
> pattern patching and any thing between a "#" character and the end of
> the line is treated as comment, i.e. are "removed" at regex compile
> time, and white spaces and "#" can only be used for matching if
> explicitly addressed with [[:space:]], [[:blank:]] or octal
> addressing.
>
> Below is an example for the proposed functionality, using modifier "f"
> to enable the free-spacing and comments mode:
>
> [[ "aaa bbb 123 ccc" == ~(Ef)
> (...)
> [[:blank:]]+
> [[:alnum:]]+
> [[:blank:]]+
> ([[:digit:]]+)
> [[:blank:]]+
> ]] && printf "match!\n"
>
> This example should print "match!"
I like this. It is a *great* idea and would help to make complex regex
patterns more readable.
Chris
--
^---^
(@)v(@) Chris Pickett
| / IT consultant
===m==m=== [email protected]
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