How to set up patterns when using SequenceSplit
2
Given a list
lst={0,0,0,0,0,"A1",0,0,0,"B2",0,0,"C3","D4","E5",0,0,0,"F6"}
How to split it as
{{0,0,0,0,0},{"A1",0,0,0},{"B2",0,0},{"C3"},{"D4"},{"E5",0,0,0},{"F6"}}
I want to use SequenceSplit but didn't know how to set up the right pattern.
SequenceSplit[lst, {_String} -> {}]
Thanks!
list-manipulation sequence
asked 1 hour ago
JerryJerry
857112
add a comment |
2
Given a list
lst={0,0,0,0,0,"A1",0,0,0,"B2",0,0,"C3","D4","E5",0,0,0,"F6"}
How to split it as
{{0,0,0,0,0},{"A1",0,0,0},{"B2",0,0},{"C3"},{"D4"},{"E5",0,0,0},{"F6"}}
I want to use SequenceSplit but didn't know how to set up the right pattern.
SequenceSplit[lst, {_String} -> {}]
Thanks!
list-manipulation sequence
asked 1 hour ago
JerryJerry
857112
add a comment |
2
2
2
Given a list
lst={0,0,0,0,0,"A1",0,0,0,"B2",0,0,"C3","D4","E5",0,0,0,"F6"}
How to split it as
{{0,0,0,0,0},{"A1",0,0,0},{"B2",0,0},{"C3"},{"D4"},{"E5",0,0,0},{"F6"}}
I want to use SequenceSplit but didn't know how to set up the right pattern.
SequenceSplit[lst, {_String} -> {}]
Thanks!
list-manipulation sequence
asked 1 hour ago
JerryJerry
857112
Given a list
lst={0,0,0,0,0,"A1",0,0,0,"B2",0,0,"C3","D4","E5",0,0,0,"F6"}
How to split it as
{{0,0,0,0,0},{"A1",0,0,0},{"B2",0,0},{"C3"},{"D4"},{"E5",0,0,0},{"F6"}}
I want to use SequenceSplit but didn't know how to set up the right pattern.
SequenceSplit[lst, {_String} -> {}]
Thanks!
list-manipulation sequence
list-manipulation sequence
asked 1 hour ago
JerryJerry
857112
asked 1 hour ago
JerryJerry
857112
edited 8 mins ago
Jerry
asked 1 hour ago
JerryJerry
857112
asked 1 hour ago
JerryJerry
857112
asked 1 hour ago
JerryJerry
857112
857112
add a comment |
add a comment |
1 Answer
1
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oldest
votes
3
Split[lst, Not @ StringQ @ #2 &]
{{0, 0, 0, 0, 0}, {"A1", 0, 0, 0}, {"B2", 0,
0}, {"C3"}, {"D4"}, {"E5", 0, 0, 0}, {"F6"}}
SequenceSplit[lst, {s_String, a : Except[_String] ..} :> {s, a}]
{{0, 0, 0, 0, 0}, {"A1", 0, 0, 0}, {"B2", 0, 0}, {"C3", "D4"}, {"E5",
0, 0, 0}, {"F6"}}
answered 35 mins ago
kglrkglr
178k9198409
Very nice,Thanks! what do#1and#2mean inSplitfunction?
– Jerry
18 mins ago
2
@Jerry see Working with Pure Functions andSlot
– Mr.Wizard♦
11 mins ago
kglr, do you have something against!? :^)
– Mr.Wizard♦
10 mins ago
@Mr.Wizard, thank you.
– kglr
6 mins ago
1
@Jerry, in a test function used as the second argument ofSplit,#1refers to the first element of a consecutive pair and#2to the second, See also animation - Split which illustrates how it works for the default test functionSameQ.
– kglr
3 mins ago
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
3
Split[lst, Not @ StringQ @ #2 &]
{{0, 0, 0, 0, 0}, {"A1", 0, 0, 0}, {"B2", 0,
0}, {"C3"}, {"D4"}, {"E5", 0, 0, 0}, {"F6"}}
SequenceSplit[lst, {s_String, a : Except[_String] ..} :> {s, a}]
{{0, 0, 0, 0, 0}, {"A1", 0, 0, 0}, {"B2", 0, 0}, {"C3", "D4"}, {"E5",
0, 0, 0}, {"F6"}}
answered 35 mins ago
kglrkglr
178k9198409
Very nice,Thanks! what do#1and#2mean inSplitfunction?
– Jerry
18 mins ago
2
@Jerry see Working with Pure Functions andSlot
– Mr.Wizard♦
11 mins ago
kglr, do you have something against!? :^)
– Mr.Wizard♦
10 mins ago
@Mr.Wizard, thank you.
– kglr
6 mins ago
1
@Jerry, in a test function used as the second argument ofSplit,#1refers to the first element of a consecutive pair and#2to the second, See also animation - Split which illustrates how it works for the default test functionSameQ.
– kglr
3 mins ago
add a comment |
3
Split[lst, Not @ StringQ @ #2 &]
{{0, 0, 0, 0, 0}, {"A1", 0, 0, 0}, {"B2", 0,
0}, {"C3"}, {"D4"}, {"E5", 0, 0, 0}, {"F6"}}
SequenceSplit[lst, {s_String, a : Except[_String] ..} :> {s, a}]
{{0, 0, 0, 0, 0}, {"A1", 0, 0, 0}, {"B2", 0, 0}, {"C3", "D4"}, {"E5",
0, 0, 0}, {"F6"}}
answered 35 mins ago
kglrkglr
178k9198409
Very nice,Thanks! what do#1and#2mean inSplitfunction?
– Jerry
18 mins ago
2
@Jerry see Working with Pure Functions andSlot
– Mr.Wizard♦
11 mins ago
kglr, do you have something against!? :^)
– Mr.Wizard♦
10 mins ago
@Mr.Wizard, thank you.
– kglr
6 mins ago
1
@Jerry, in a test function used as the second argument ofSplit,#1refers to the first element of a consecutive pair and#2to the second, See also animation - Split which illustrates how it works for the default test functionSameQ.
– kglr
3 mins ago
add a comment |
3
3
3
Split[lst, Not @ StringQ @ #2 &]
{{0, 0, 0, 0, 0}, {"A1", 0, 0, 0}, {"B2", 0,
0}, {"C3"}, {"D4"}, {"E5", 0, 0, 0}, {"F6"}}
SequenceSplit[lst, {s_String, a : Except[_String] ..} :> {s, a}]
{{0, 0, 0, 0, 0}, {"A1", 0, 0, 0}, {"B2", 0, 0}, {"C3", "D4"}, {"E5",
0, 0, 0}, {"F6"}}
answered 35 mins ago
kglrkglr
178k9198409
Split[lst, Not @ StringQ @ #2 &]
{{0, 0, 0, 0, 0}, {"A1", 0, 0, 0}, {"B2", 0,
0}, {"C3"}, {"D4"}, {"E5", 0, 0, 0}, {"F6"}}
SequenceSplit[lst, {s_String, a : Except[_String] ..} :> {s, a}]
{{0, 0, 0, 0, 0}, {"A1", 0, 0, 0}, {"B2", 0, 0}, {"C3", "D4"}, {"E5",
0, 0, 0}, {"F6"}}
answered 35 mins ago
kglrkglr
178k9198409
answered 35 mins ago
kglrkglr
178k9198409
answered 35 mins ago
kglrkglr
178k9198409
answered 35 mins ago
kglrkglr
178k9198409
178k9198409
Very nice,Thanks! what do#1and#2mean inSplitfunction?
– Jerry
18 mins ago
2
@Jerry see Working with Pure Functions andSlot
– Mr.Wizard♦
11 mins ago
kglr, do you have something against!? :^)
– Mr.Wizard♦
10 mins ago
@Mr.Wizard, thank you.
– kglr
6 mins ago
1
@Jerry, in a test function used as the second argument ofSplit,#1refers to the first element of a consecutive pair and#2to the second, See also animation - Split which illustrates how it works for the default test functionSameQ.
– kglr
3 mins ago
add a comment |
Very nice,Thanks! what do#1and#2mean inSplitfunction?
– Jerry
18 mins ago
2
@Jerry see Working with Pure Functions andSlot
– Mr.Wizard♦
11 mins ago
kglr, do you have something against!? :^)
– Mr.Wizard♦
10 mins ago
@Mr.Wizard, thank you.
– kglr
6 mins ago
1
@Jerry, in a test function used as the second argument ofSplit,#1refers to the first element of a consecutive pair and#2to the second, See also animation - Split which illustrates how it works for the default test functionSameQ.
– kglr
3 mins ago
Very nice,Thanks! what do
#1 and #2 mean in Split function?– Jerry
18 mins ago
Very nice,Thanks! what do
#1 and #2 mean in Split function?– Jerry
18 mins ago
2
2
@Jerry see Working with Pure Functions and
Slot– Mr.Wizard♦
11 mins ago
@Jerry see Working with Pure Functions and
Slot– Mr.Wizard♦
11 mins ago
kglr, do you have something against
!? :^)– Mr.Wizard♦
10 mins ago
kglr, do you have something against
!? :^)– Mr.Wizard♦
10 mins ago
@Mr.Wizard, thank you.
– kglr
6 mins ago
@Mr.Wizard, thank you.
– kglr
6 mins ago
1
1
@Jerry, in a test function used as the second argument of
Split, #1 refers to the first element of a consecutive pair and #2 to the second, See also animation - Split which illustrates how it works for the default test function SameQ.– kglr
3 mins ago
@Jerry, in a test function used as the second argument of
Split, #1 refers to the first element of a consecutive pair and #2 to the second, See also animation - Split which illustrates how it works for the default test function SameQ.– kglr
3 mins ago
add a comment |
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