Hi,
I am trying to write a regex that should only match when certain patterns are
not present, e.g. when a line does not start with either a digit or ALL-CAPS
text. I figured I could use negative look-aheads for this.
I can write it as:
if (/^(?![[:upper:]][[:upper:]])/) {
if (/^(?!\d)/) {
s/^/<test>/;
}
else {
}
}
else {
}
However, I was wondering whether there was a way of writing this as a single if
loop, because there are much more than two situations that should not be
matched.
I tried to write it as:
if (/^(?![[:upper:]][[:upper:]])|^(?!\d)/) {
s/^/<test>/;
}
else {
}
but this means if one option is not matched the other one is matched, which is
not what I want. So I need something that does the equivalent of "Don't match
this AND don't match this". Is this possible in a if loop, or should I use
something else?
Thanks,
Regards,
Thomas Hamann
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