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Multi Line trigger help

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Multi Line trigger help

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Posted by Ignis (26 posts) bio

Date Sat 16 Nov 2013 07:15 PM (UTC)

Message

I'm trying to log something like the following to a file. however I never seem to get a successful match.


You examine a scroll carefully.
Object 'scroll' is type scroll, extra flags magic.
Weight is 1, value is 0.
Level 13 spells of: 'armor'.

the match I have is:


<triggers>
  <trigger
   enabled="y"
   group="Multi Line"
   ignore_case="y"
   lines_to_match="6"
   keep_evaluating="y"
   match="You examine * carefully.\nObject '*' is type *, extra flags *.\n*\nHas * charges of level * '*'.\n"
   multi_line="y"
   regexp="y"
   send_to="2"
   sequence="100"
   lowercase_wildcard="y"
  >
  <send>world.note "%2, kwds:%3, type %4, extras %5,  %7 x lvl %8 %9"</send>
  </trigger>
</triggers>

In the end I plan to do something more elaborate with the information I'm pulling, but having a hard time getting started retrieving said information. I also tried copying the above example of what i'm trying to match into test trigger and still no luck. Has anyone else had this trouble before? (Tried searching the forae and didn't seem to have any luck)

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Posted by Nick Gammon Australia (21,607 posts) bio Forum Administrator

Date Reply #1 on Sun 17 Nov 2013 10:09 AM (UTC)

Message

Regular expressions

Regular expressions (as used in triggers and aliases) are documented on the Regular expression tips forum page.
Also see how Lua string matching patterns work, as documented on the Lua string.find page.


Object '*' is type *

You probably mean:


Object '(.*)' is type (.*)

Wildcards work differently when you use regular expressions.

- Nick Gammon

www.gammon.com.au, www.mushclient.com

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Posted by Ignis (26 posts) bio

Date Reply #2 on Tue 26 Nov 2013 06:14 AM (UTC)

Message

Ah, that helped greatly. I also learned a good deal about named wildcards


<triggers>
  <trigger
   enabled="y"
   group="Multi Line"
   lines_to_match="4"
   keep_evaluating="y"
   match="^You examine (?P&lt;short&gt;.+?) carefully\.$\n^Object (?P&lt;key&gt;.+) is type (?P&lt;type&gt;.+), extra flags (?P&lt;flags&gt;.+)\.$\n^Weight is (?P&lt;weight&gt;.+), value is (?P&lt;gold&gt;.+)\.$\n^Has (?P&lt;charges&gt;.+)\((.*)\) charges of level (?P&lt;splvl&gt;.+) (?P&lt;spellname&gt;.+)\.$"
   multi_line="y"
   regexp="y"
   send_to="12"
   sequence="100"
   lowercase_wildcard="y"
  >
  <send>world.note "%&lt;short&gt;, kwds:%&lt;key&gt;, type %&lt;type&gt;, $%&lt;gold&gt;, %&lt;charges&gt; xlv %&lt;splvl&gt; %&lt;spellname&gt;"</send>
  </trigger>
</triggers>

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