See perldoc perlre.

If I understand you correctly, you need to distinguish between If followed by f, and If followed by something other than f ?

The following regex will only match If but not Iff:

/^If[^f]/

Apologies if I've got the wrong end of the stick here.

s^^unp(;75N=&9I<V@`ack(u,^;s|\(.+\`|"$`$'\"$&\"\)"|ee;/m.+h/&&print$&

In reply to Re: regex problem by muntfish
in thread regex problem by mosh

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