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➜ How to use named capture value in triggers
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How to use named capture value in triggers
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| Posted by
| Zhenzh
China (68 posts) Bio
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| Date
| Tue 16 Jul 2019 07:26 AM (UTC) |
| Message
| I find there's a way to name value captured from trigger as mentioned in
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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.
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Regexp: tell (?<who>.+?) (?'what'.+)
Match : tell Nick hi there
Wildcard '1' = 'Nick'
Wildcard '2' = 'hi there'
Wildcard 'who' = 'Nick'
Wildcard 'what' = 'hi there'
The problem is how can I use such named capture in my script.
I used to use script like SetVariable(hp, "%1") to get the first value captured. But it can not work when I tried to use SetVariable(hp, "%hpvalue") to indicate the capture value named by 'hpvalue'. | | Top |
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| Posted by
| Nick Gammon
Australia (23,173 posts) Bio
Forum Administrator |
| Date
| Reply #1 on Tue 16 Jul 2019 08:38 PM (UTC) |
| Message
| The help for triggers tells you how to do that. See:
http://www.gammon.com.au/scripts/doc.php?dialog=IDD_EDIT_TRIGGER
Quote:
For named wildcards you can use %<name> (for example, %<mob> for a wildcard with the name "mob"). Named wildcards are produced by using a regular expression and a group like: (?P<mob>.+?)
Also, if you use a script function (not send-to-script) then the wildcards are provided as the 3rd function parameter:
function myTriggerHandler (name, line, wildcards)
print ("Wildcard 'who' is:", wildcards.who)
end -- myTriggerHandler
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- Nick Gammon
www.gammon.com.au, www.mushclient.com | | Top |
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