Regexp help

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jomtones
Posts: 258
Joined: Sat Oct 15, 2005 4:24 pm
Location: Tokyo
Contact:

Regexp help

Post by jomtones » Sun Feb 12, 2012 11:52 pm

Pulling my hair out trying to do simple stuff here with regexp. Can anyone tell me why this patch ain't working? I just want the regexp to pull the last number from a scene and set that as the 'scene loop length'. It's for a device that launches scenes relative to a master scene - I'm now trying to add a bit to allow my drummer to 'step through' a loop of scenes with one drum pad.

Code: Select all

<pre><code>
----------begin_max5_patcher----------
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-----------end_max5_patcher-----------
</code></pre>
NB. Initial thread here: http://cycling74.com/forums/topic.php?id=38050

jomtones
Posts: 258
Joined: Sat Oct 15, 2005 4:24 pm
Location: Tokyo
Contact:

Re: Regexp help

Post by jomtones » Mon Feb 13, 2012 12:13 am

Darn, I just realised I have a more tricky regexp to write... basically it needs to do this:

IF scene has 'mstr' in the label, THEN Get scene 'loop length' from last numbers in scene label.

Is something like this possible?

Patch so far:

Code: Select all

<pre><code>
----------begin_max5_patcher----------
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ljdRq2CCqm6jj6B+K+f27nTu2kirWO8iQWWNXVJC9dWLJOChBnsYezQkQA8S
lJa4aXNYl3YoiJSRV4NZCbMaUzqUoj5l3H.ZmBKC3jmlFFnBh4cX+fBSB.Kw
dBYRP9PZpvWVGhuE1CvQsilA0CiL7zwV.ZW1gZvT.IpG3GSYvm0cP60yc31f
safevzUUrTR57mag7nzDTcstDo+isYKiA79BMkx+RfenxbXHd3xu.EfVRz8w
SVJJEAXvXimyodIo9gqRK0mV681lW4c9SmtQFffj1McQTl0SEB49zLeukeac
ke7Io3aoq3yNIEetthO8jT7YZ23mbRJ+4nJRK424jT9I5J+1aegmHhuVMe3M
E8IDd9jmg.SEULuvk5xeBULU2bf0eOyd0JH6v7Pmm.a8UZmds4PZOhm0oq7i
zcHiSuNMHsGw9zjyBYqMoK5zTAn+ndlmlZ.s4cwmncgwZ2D5DkCEoqF3zztI
YMrUn.NMcaPa7G089Mr7DqmxkZuxB18zVbVPzX2fh4T51kchQ6Z5LpyTdr1Y
UobwZyK+.VC0l3FDXbqerz0niUCmt5P59oPBXnNmAKQmxwTVZ3EaDBwPEqCb
mls9bZDD8Xbs4vaWCQ5SlkliSCAJnRuRg0WxSvElCoU3FoXMr93Xc4rvMzSZ
uLKTcKsenrXJZcTTOfMqTPfkgPDyhxfFunl8k+WRkZlvVkDqMKiBbGJBIR4w
1uqCKiBG.HEORqZYATFUv3UEN95vTQZCXPYWgfVVbkO8wT31VMgBEX7lljtD
o2NDvUsEUUrHp5HiDaPUX+ozF.ZKba9ypHPOl8hvQX5Hb18CxsIln.4n8hvQ
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HR9K1HzpO0IhsVci48BhZSzQ1H8CEisNxFqW5Cqk6S39wAEcDsdxrKsb.n2D
MjNn1wusFQqAyH8SqMhdDH3dA4v5MdQ+fbXsBOT+LNqdNC2SBmVcG5G6NQZo
T2XVBbzDNjNcU6mnpg0xnX5dajjCilaKGCJPQN70epaDa7gQrQlHV+K2nlJ1
EaTpbrypOcDakfZXiDNgVVpy+T2H0ZExj9wcOrVL8j9gvhnEgEoeLJCocDF5
IfC28ieisIvdYFTt2JlY0cFqjVVqQ26NJVXQ+ZJU7hC15R6hMGFZW0EWHT0B
339oajP3H0Jb8jUvZEY178vaC1wueDUagy43Kb5ibVGegyVagy93KbbsEN9w
2Jc8QN5wW3zG4HGe0po1BWODJB8QtdfDVOjqehLGV+ND3i+XqH8ay0Ci7q+3
WnieWBJVeoqGzr6AaxwmqSuYHU+3SISuI9F+DV3n8STvnVZkwq16FQ9Axd4+
C0fwMRC
-----------end_max5_patcher-----------
</code></pre>

Machinate
Posts: 11648
Joined: Thu Jun 24, 2004 2:15 pm
Location: Denmark

Re: Regexp help

Post by Machinate » Mon Feb 13, 2012 12:21 am

you can do stuff like this with "route" and "unpack", really.

The trick is that if you can't describe the process with a single object, do it in a couple.

Now, we probably don't all need to run your entire patch to help you parse this - could you replace the inputs from Live with just message boxes with the messages in them? Strip it way down so that it's more easily readable?
mbp 2.66, osx 10.6.8, 8GB ram.

jomtones
Posts: 258
Joined: Sat Oct 15, 2005 4:24 pm
Location: Tokyo
Contact:

Re: Regexp help

Post by jomtones » Mon Feb 13, 2012 12:36 am

Ok sure here's just my current problem bit, with the type of title I have for a 'master' scene and a normal scene, both with numbers at the end.

Plus the regexp bit I don't know how to write! :|

Code: Select all

<pre><code>
----------begin_max5_patcher----------
1235.3oc2Ys0aaaCF8YWf9efvujsAGCQRIao9RP2PV2.RSGv1aYAAxVL1bSh
TPhNMcE6+93MKIaSYEG6T6r.Dcgj5iGd9tR5u912zq+D9ijx9f2AtAzq2Wks
zS2lpkdKanW+r3GmlFWpGXeF4y7I+U+A19DjGE51yKH4DVBnjHp5jln6RN9y
CfUsdOmIXwYDceuufFmB9QdZRU+4whoyorY2UPlJLfyGOZn2..zCptMZr9kv
gdfaW9QrEYTVJQnAIrQq7EhMZVgfR5+nQ.zSJLa6lwJ9RNwLs86CtU20+912
ntKuM3ISTS4YYDlXSlB54jfFUS.EjR4WFKnbVCR.h7zqanlDvQaRBOGlcjgY
QZw4GroPmLaJOkWXwft+lWpGXSXutVnSciWa5lCO+e0m9zuAt5xq+ve7KtTD
9AcoHrTODotEBOH5g.HVKGrVbgi1TnuVn2OHmRP4TBi.NKkyyAoD1Lw7y.2W
vy.xuW.jXaBonDPY1ApHqAfe8msuNOtDbVVon3L0PDyMCnZpRoLxT9Bld9vt
7kP6SvFbn1K.YTHi0pBe3SvkvanePXHxeM+hii9os3zkfyO+bkdwnVb5ADtE
5a6goMQlGoCTEpeQEz5PvEn5vzMHeugnwg9Xnh7iPvfQQpmFgkOOxpFN3LXA
YF4wbvEWbgSxa7dY6E4qHswlq3mWdtfcOO2f09eOnsLRYY7Lxl7FiWjIo.iK
NLvE4gdlFdHOShK80nnNnMztTd.5Ep7fVooGjQFI.UzOY1.uI4YfqfHWjErq
7THrNCEJzDbxbYOyRUSyPDx3reX34u4kg86+zkWeI352+wKemy5wF2I8Zs4B
OfkA3G0L.p+IeU.sZE6rFWz9kW1yTUDVSNRa6fSequV4GnS9Yu1jDxV89qI9
Ik9.YnlTVJ9GhKpV2U8dC7Vm4Zq2yT7BAOqxqn+GkkYRJ5bGU13Y3vgvHXTf
rjg.G9b0x1JcSlrspKBr6jRmBOXWbjUqW2qB2t34wER9RNt6Hr3IojMDlKHu
pNGs8BCpAcY7Cjj6hEhB5jEBR8SkVk7RsrROltfvueY6UczDvY7Do0fIM63J
KrUFRJmMaq1CaHPpl67ZQbT1eqD2JT3FhfmPZFtbk9or64Zv3D.KXTCk5tad
QBonIiuRuIj6M85bhKyIjjTZlF4tWcRqk7xVE.Qpzsp0kFVU1EUp3U+hGy4L
hYeVsLkT1CzRp0ryqUJQ7EqgoygDyXbqyYkt1s9co4havjsckOUhDUgj1cN3
4dQuz5GsEQzvUyshXNuProYae6PsQJqe3EX6IpBHcFyD+bqwVF+BO1GK2gUD
pd6I6996bu8D3vfn.X33uI6Qo8yFxco1ggclJwKrQ0fQgGjpAwFwL1TTXf2+
eNbtNLd+S4ekW7cpae9G9dmZD79TpDTWIYj1.NB9ZbW1OyigGGze+sGMEXdL
OEdyLpOHv0+4KzvV0wZrWIeQwzkRb4A0.f0XOgTJnrJGjap+cK.MVgyoIID1
JNEYzjbNkIrHYaJ0mL3VeZcCN0A0cxBN0OnwQ.bnmDwgOcwV3wAavSXdCdBy
aZJA2E3PniG3PcBtiSLNzSyUcmCifgAli9PmsBMxu5sCCrguLvFE3+RBas6Q
mo6T0GbDLEVeZawCe+S2oZPd6+vLo4kL
-----------end_max5_patcher-----------
</code></pre>

toscanini
Posts: 410
Joined: Thu May 05, 2005 5:42 pm

Re: Regexp help

Post by toscanini » Mon Feb 13, 2012 1:13 am

Shelluser wrote pretty exhaustive tutorials about regexp, you should check those out

Machinate
Posts: 11648
Joined: Thu Jun 24, 2004 2:15 pm
Location: Denmark

Re: Regexp help

Post by Machinate » Mon Feb 13, 2012 1:20 am

also, this needs very little regexp in the first place ;) And the main reason you'd even need regexp for this (the last part with the "L12" is because of a naming convention that I suspect OP introduced him-/herself?

Anyway, this is one variety of it.

<pre><code>
----------begin_max5_patcher----------
1297.3oc0Y00bhaCE8Y3WgFdIuP7X8k+XepocR21Yxlsyz9TSyjw.Jf2ZKyX
IRS2c1+60RxFLfswlPbgYR.aYgtGctWcuGI+sgCFMI4UlXD3CfG.CF7sgCFn
aR0vf76GLJN30oQABc2FEyDhf4rQiMOSxdUpaGhJZhuJNjGwj59ixabYfb5h
P97mRYSkF6gvXKOWB1eLffrsrGCn5OgdV1fGy+cgyzidxjubMhTXgmS3RdPL
S+naRCChJY6jUxBiCya0zj7eWxLVdzn0iuZnDgeU+.HxxV052GNT8w3VxHb1
+jAu8HjT1b1qKAOby0+4ifePrZhPFJWIYf+ZT1eURVvFHKGRAYgINZZh5q9R
wbUxV1cksn0xVi24+SI6MMINlwk6Qe+9Oc682Bt+lOc6G5JWgsQZlwSGN4Q1
KnZYJSjYy.YXBu7XUh9nt0SefeLIZV0bncUDiBF6a3R.lRMPzSiW3F7dB4y6
pYAZwbex7oIQIoF.YfP4O1vcUDa5q6Ex22DWZeLDtmWOR3PrWIF226Mw30r9
OyzKY7Y.AS14E64DpgIcbaJqHldT7VWSMZeTKtqqXwcGnZw9Ai1VDOhqGQeE
AhwGNpbS4EjIGPykWbunpt70H.aZXj..6bYWjyZdwvHT2lJjP6JufZrNROvM
yCjr2BqfzQKXRSrxkkVDIHBD04rPDXAkXjZfQVz5YD7EWbxaHCctDCBx4vYn
ovy3Lz0IW38Ss.FanNJw70QoNyoWEKXvnwWi8eejm84O+af6t89O9G+RmiEc
8MLoFedNGCgRn8obWihbj66nb2OlgPfXJiy.WEkjrDDw3ykKtB7bZRLH6mKA
YSkIrTAHjm2Q0zdL3W+47aWDH.WEKjoWo5hbgoCEVJJjyllrhqMG9HVqjoig
54gHGbACwVWkNWxpq1+Rf0jqAcR8imtbsBv0WesxQX7CGa9VOrNloQAKDutV
IpX5WxOYagxTahgJ+jOBRc7UW4fyt1YaO1In9Tcxj4IowY9MS3Hj1YMMaJfi
LazwuwyW47TRScjyKYqcY.05yrLz1SVFCtq6mAkiImtYiAHcLFzoZ5AdAtOK
6txGXhdAV99iMB9piPPnKPFo6aWxC0dF4bNFIJ7ElklGxGyWBRWCw0O7A3iE
OOXkLIVW61HaHOcTmScmGR4a1Cd6OMtcRCNphL8NMuyhkAoYSPIK8IFOXRDq
YxdqccnLd9z9SYhEXo6yJU7v5TP5jehsXKnOzm5TIOHBdgM6o.oLMbxJIayU
hbuZtaU44hVwRdtn4h1KOgSRmwRKwEa8vnD97lb86PcqhyonhI6ZWRA125GD
mE1oY5Bcfa8zPdnTUQIuJqckCQl3p+VAvxwVa0gB+VUyNwhjT49SuQldpW0T
70I8j9Ukh57droTKroDMzHyyE2n1Fbeep9PKpOE54VhtzcTK.dm2bjdBpZea
NTjrJcZgYyORI.bs4lwDxP95kTOr48W.1vAKBmMiwKKVaVnPslVyMUmOrsvY
GSUCdHaA5+2wi5TE5I9oMtK0wP2SvYGSUMdTuNgdBOj13sNqbVt8VnLtEbSO
tvB0R3zS4cfmUvA2hHGBt+XmVPN8GZfmUnocQNNG.OwgyVlDxkhMu0Q55SXB
SQquaig54khcbFTFyu6y.8RAzgTMzeUo03AeH7f5uBQsIFk5bdgGxwJavnIN
X4R0wRkOlZnjsChuXNTQmw5aC4la0iX1dGdIrn+3gpQ66C+O.nMrp3C
-----------end_max5_patcher-----------
</code></pre>
mbp 2.66, osx 10.6.8, 8GB ram.

jomtones
Posts: 258
Joined: Sat Oct 15, 2005 4:24 pm
Location: Tokyo
Contact:

Re: Regexp help

Post by jomtones » Mon Feb 13, 2012 5:15 pm

Thanks so much for that - it works great in the edit window but for some reason doesn't seem to work properly in the project!

If I click on a scene labelled e.g. "newsong mstr 65bpm L22"

I see the loop length coming out as "newsong mstr 65bpm 22"

- but if I send this through in a locked Max window I get "22" as expected!

Try pasting that label into a scene, then click on the scene to test it ... for some reason it sometimes needs a click on the buttons to get going ... :)

The 'L' at the end was just to remind me it's 'LOOP LENGTH' there 8)

Code: Select all

<pre><code>
----------begin_max5_patcher----------
4720.3oc6c01iahjs9yYj1+CHqqz7goSq58pXjFoat6z2YiTR1UYh1OrIQQt
so6lcvfkAmIyt5d+suPcv1f6BSY.CtcynLssAL9vScpmya0K+6+z28hI2F8M
u3IN+nyGcdwK92oG4E5ikcjWr4.uXxhoeaVvzX8ENYVzhEdgIStJ+jIdeKQe
hed05zyrxwOb45cm1et9jQ29OeISt8n2EElDNcgm9buZk+z.m+mnf4aO+xoI
ydvO79urxaVBHeXW10nqbvbd1KJp9CpqQNedyW516mEEDsJ+xyNO5ZWhKCSx
dGEwUJ86jtDLWt66EtdgeXfWh94CW3nQqS1bXTQIO1+eokbL5Zj9v+e+ouK6
0zWtxZbLz62SAkGCiqbd4Ke4Mgy+0YdgdFgQwAfwCgfDjFzHRoFA03HAUDAK
gDHyHA1HRPtd6kWnQ.cMglB1hLTWvnXpTi+HWEhcUVSzteZ3WH4OV5Ae0ISb
9biw1J0Q+Ii.JeGpsxKN8KNMwOJr.xQyU2HZjCKertWCTnItnr6ifnzMD7Ge
SKJM6qaN.ZrUhpKCVGaDXo0ArLPkT5l8WNtSvUNR.2MM7xbO6w0pXB9AGrIT
kxaCMpfpADASiNbx078QmRf.4XHAP6HAdT2Y+TEmSQO5e8Oey6tw4cu5s27i
l.KgpNUPcuOLnln5FMPWftfigaJ6oaO6OMYQbxJGLEc6xENuAi9zDinracnr
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C8lEsNLoDaeQrB2JrBoAIpRTniOGcrXE630otBr4bE711nhsvKNd58dFXG+T
Y9wT5wOUffrDzRMQaRZnm7RA6ZkjQcSstHHafzzdthtwPN4D0YsxXd7t26aK
c93qd4+3yN+2wquMNwOYchmyml3TgEGZSgNW9FnSpx6.6VSjPUnTxOdr6p89
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Bb7l4GDa16coro.KWtEXAGd3xZzaq.lHMSu8D.U2OMwXJNjpN.jzOQNTVy.o
yCcoDm.m.iHjaSQnTe7xQHF3MNUGC3wS+c9nFUiSwJTa7fQQ0Ayo.u8dh6T7
i7WwnwUEttv4HB.T.WeohNIbNU9M0EvXh6kS3bU1f7l+5e8u47lad2u7g+hw
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VyT49HPvWicwt7z9CbC4Ee28N+tGFsZQMcyyUVAKf7iIY6YOvleJLyLrb5pT
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-----------end_max5_patcher-----------
</code></pre>

broc
Posts: 1151
Joined: Mon Jul 26, 2004 8:37 am

Re: Regexp help

Post by broc » Tue Feb 14, 2012 10:46 am

Your patch doesn't work as expected because in M4L the scene name is actually a symbol (not a list).
So before applying 'zl ecils 1' you'd need conversion to a list using 'fromsymbol'.

jomtones
Posts: 258
Joined: Sat Oct 15, 2005 4:24 pm
Location: Tokyo
Contact:

Re: Regexp help

Post by jomtones » Tue Feb 14, 2012 3:07 pm

broc wrote:Your patch doesn't work as expected because in M4L the scene name is actually a symbol (not a list).
So before applying 'zl ecils 1' you'd need conversion to a list using 'fromsymbol'.
Thanks Broc I'll check that out. :D

jomtones
Posts: 258
Joined: Sat Oct 15, 2005 4:24 pm
Location: Tokyo
Contact:

Re: Regexp help

Post by jomtones » Tue Feb 14, 2012 5:47 pm

In the end I went for a system that would just look for 'mstr' in the next scene and then loop on the next 'scene advance' command... it's not quite as dependable if I use my MIDI controller but its seamless for my drummer to loop through scenes, so it'll do for now.

What it could really do with is something that looks ahead x scenes, spots the next master scene, and then sets a loop length based on that. But no way I know how to write that one! This'll do for now - working code! :D

Here's the current version in case it's useful to anyone:

<pre><code>
----------begin_max5_patcher----------
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-----------end_max5_patcher-----------
</code></pre>

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