Wolfram Language Paclet Repository
Community-contributed installable additions to the Wolfram Language
Match & Replace
PatternMatchQ | |
MatchReplace | |
MatchReplaceAll | |
MatchReplaceList |
XXXX.
Current behaviour differences:
Current behaviour differences:
In[3320]:=
Replace[1,Except[f[x_]]x]
Out[3320]=
Removed[$Variable][1]
In[1666]:=
 | MatchReplace |
Out[1666]=
1
In[3322]:=
MatchQ[{},{_.}]
Out[3322]=
False
In[409]:=
| PatternMatchQ |
Out[409]=
True
In[3324]:=
f[a]+g[a]+h[a]/.(f[x_]+g[x_])x
Out[3324]=
a+h[a]
In[1667]:=
| MatchReplaceAll |
Out[1667]=
a+h[a]
In[419]:=
f[a]+g[a]+h[a]/.(f[x_]+g[x_])|(g[x_]+h[x_])x
Out[419]=
f[a]+g[a]+h[a]
In[1668]:=
| MatchReplaceAll |
Out[1668]=
a+h[a]
In[435]:=
ClearAll[f]
In[1670]:=
SetAttributes[f,{Flat}]
In[437]:=
Replace[f[a,b],x:f[y_]Hold[x,y]]
Out[437]=
Hold[f[a,b],f[a,b]]
In[1671]:=
| MatchReplace |
Out[1671]=
Hold[f[f[a,b]],f[a,b]]
In[426]:=
ReplaceList[a+b+c,x_+y_HoldComplete[x,y]]
Out[426]=
{HoldComplete[a,b+c],HoldComplete[b,a+c],HoldComplete[c,a+b],HoldComplete[a+b,c],HoldComplete[a+c,b],HoldComplete[b+c,a]}
In[1672]:=
 | MatchReplaceList |
Out[1672]=
{HoldComplete[Plus[],a+b+c],HoldComplete[a,b+c],HoldComplete[a+b,c],HoldComplete[a+b+c,Plus[]],HoldComplete[Plus[],a+c+b],HoldComplete[a,c+b],HoldComplete[a+c,b],HoldComplete[a+c+b,Plus[]],HoldComplete[Plus[],b+a+c],HoldComplete[b,a+c],HoldComplete[b+a,c],HoldComplete[b+a+c,Plus[]],HoldComplete[Plus[],b+c+a],HoldComplete[b,c+a],HoldComplete[b+c,a],HoldComplete[b+c+a,Plus[]],HoldComplete[Plus[],c+a+b],HoldComplete[c,a+b],HoldComplete[c+a,b],HoldComplete[c+a+b,Plus[]],HoldComplete[Plus[],c+b+a],HoldComplete[c,b+a],HoldComplete[c+b,a],HoldComplete[c+b+a,Plus[]]}
In[444]:=
MatchQ[HoldComplete[1,2,3,Sequence[1,2,3]],HoldComplete[x___,x_]]
Out[444]=
False
In[1673]:=
| PatternMatchQ |
Out[1673]=
True
""