Am 05.06.2012 16:25, schrieb Steve Ratcliffe:
> If you are not very familiar with regular expressions in any language
> then if you reply with a few examples of what you want to match I can
> probably help out.
Thank you for your help and prompt reply!
Quite familiar, actually - now I managed to work it out. I think mkgmap
strips trailing and heading ws from the field content. I stumbled over
some of my data having more than two postcomma zeroes (only saw that
later, I have a good 1000 files). After some fiddling about I concluded
that the whole field content has to be consumed by the RE for a match to
occur. So eventually I ended up with this segment in my lines file which
now seems to do the job:
# only major lines receive a name. Note the conversion to feet.
ENT_LIN=2.08.01 & ( QUOTA ~ '.*[05]00\.0+' )
{ name '${QUOTA|conv:m=>ft}' } [0x22 level 2]
ENT_LIN=2.08.01 & ( QUOTA ~ '.*[05]0\.0+' )
{ name '${QUOTA|conv:m=>ft}' } [0x21 level 1]
# any remaining contours will be rendered as minor, without name
ENT_LIN=2.08.01 [0x20 level 0]
the escaped points work as expected. I noticed the example in the wiki
was using '\d', so apparently there's shortcuts available (I assume \d
is digits - any others?)
One more thing: I tried to match a RE at the top level and failed. Is
there a workaround to achieve the same thing? My classification is
mainly by codes like the ENT_LIN above, and they come in sections. So it
would be nice if I could match '2\.08\.??' at the top level.
Kay
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