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Benny-D
Joined: 29 Feb 2008
Posts: 865
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 Posted: Thu Feb 18, 2010 12:41 am Post subject: fetching spaces with RegExMatch properly |
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Why do the spaces between a_bird and is always "creep into" the first variable res1 here:
| Code: | victim=
(
a_bird is "eagle"
)
RegExMatch(victim, "([\D|_]+)?( *)?(is)( *)?""(.*)?""", res)
msgbox,
(
res1: <%res1%>
res2: <%res2%>
res3: <%res3%>
res4: <%res4%>
res5: <%res5%>
) |
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[VxE]
Joined: 07 Oct 2006
Posts: 3254
Location: Simi Valley, CA
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| Posted: Thu Feb 18, 2010 2:53 am Post subject: |
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"\D" means any non-digit, and that includes spaces. Possibly, using a different class (like \S) or a word-boundary (\b) is appropriate in your case.
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sinkfaze
Joined: 18 Mar 2008
Posts: 5043
Location: the tunnel(?=light)
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| Posted: Thu Feb 18, 2010 3:03 am Post subject: |
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I think the more important question is why shouldn't they creep into the variable? Your matching criteria for your that variable is this:
Which is one or more non-digit or underscore. A space is not an underscore but it is a non-digit, so it should match your pattern. Basically you want any alpha character or underscore here, which can be accomplished a few ways:
| Code: | [\D\S_]+ ; any non-digit, non-space or underscore
[a-zA-Z_]+ ; any lowercase/uppercase alpha character or underscore
[[:alpha:]_]+ ; any lowercase/uppercase alpha character or underscore |
I prefer this just for my own clarity:
| Code: | victim=
(
a_bird is "eagle"
)
RegExMatch(victim, "([[:alpha:]_]+)?( *)?(is)( *)?""(.*)?""", res)
msgbox,
(
res1: <%res1%>
res2: <%res2%>
res3: <%res3%>
res4: <%res4%>
res5: <%res5%>
) |
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Benny-D
Joined: 29 Feb 2008
Posts: 865
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| Posted: Thu Feb 18, 2010 3:31 am Post subject: |
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I see. Thank you, [VxE] and sinkfaze!!!
My understanding of \d and \D was wrong. |
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Benny-D
Joined: 29 Feb 2008
Posts: 865
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| Posted: Thu Feb 18, 2010 4:09 am Post subject: |
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I am sorry. I tried [\D\S_] way and came across the same problem.
What am I doing wrong now? I wasn't able to find the answer on my own: | Code: | sent =
(
bird = "eagle"
)
regexmatch(sent,"([\D\S_]+)?( *)?(=)( *)?""([\D\S_]+)?""", guf)
msgbox,
(
guf1: <%guf1%>
guf2: <%guf2%>
guf3: <%guf3%>
guf4: <%guf4%>
guf5: <%guf5%>
) |
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jethrow
Joined: 24 May 2009
Posts: 1907
Location: Iowa, USA
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| Posted: Thu Feb 18, 2010 4:21 am Post subject: |
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This will match any character that is not a digit OR not a space OR an underscore. As sinkfaze stated above, perhaps this would work better  :
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Last edited by jethrow on Thu Feb 18, 2010 4:27 am; edited 1 time in total |
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sinkfaze
Joined: 18 Mar 2008
Posts: 5043
Location: the tunnel(?=light)
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| Posted: Thu Feb 18, 2010 4:27 am Post subject: |
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Ignore that option I had presented, since I now realize that the matching criteria for \D and \S will apparently conflict. Try either of the other two methods instead.
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Benny-D
Joined: 29 Feb 2008
Posts: 865
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| Posted: Thu Feb 18, 2010 4:31 am Post subject: |
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| I see. Thank you, jethrow and sinkfaze!!! |
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