Questions on the manipulation of String objects in Mathematica, and the functions used for these manipulations.

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1
vote
2answers
33 views

Retain or delete parts of textstring in tweets

For a twitter analysis I collected many tweets. For example: ...
12
votes
1answer
131 views

Bug in Operator Form of StringCases

According to the documentation there's an operator form for StringCases ?StringCases Here is the normal form ...
8
votes
2answers
491 views

A femme is a wife is a Frau

As can be seen from LanguageData["Properties"] // Multicolumn Mathematica's translation capabilities seem to be very limited. It can translate month names, ...
16
votes
0answers
185 views

StringCases is Confused with Patterns in Version 10.0.1

I observed the following with StringCases when trying to use rules/patterns. Here is a screenshot of the behavior: Not only is the pattern highlighted in red, ...
11
votes
7answers
586 views

Splitting strings into letter keys and integers

I have strings of the following form: string = "ABC123DEFG456HI89UZXX1"; Letter keys of variable lengths are followed by (positive) integers. I want to get this ...
5
votes
6answers
666 views

Convert a string into a list of numbers

I got the following problem I don't know how to solve or if it's at all possible to solve(I'm quite new to Mathematica and don't have an IT background, so please explain slowly if possible:)) I'm ...
4
votes
4answers
164 views

Splitting a string into substrings of length 1 and 2

There is already a thread on how to split a string into equal sized chunks. I'm wanting to split a string into sets of substrings of length 1 and 2. For example, if I have the string "123456", my list ...
17
votes
3answers
451 views

Unicode-aware string functions?

I've recently discovered that ToUpperCase is quite unreliable on non-ASCII input: ...
5
votes
1answer
173 views

Sorting an Array with words in different languages

Array consists of words of different languages. I need to sort elements in reverse alphabetical order and make a list of elements, which consist of english letters. Example of array which consist of ...
28
votes
9answers
4k views

Programming paradigm change

I'm new to Mathematica, I've been learning by myself, and, being a Java developer for some time, it makes it hard to adapt. I've tried to solve a Reddit challenge, and I came up with this solution: ...
6
votes
1answer
116 views

Understanding `Paste` and how to get a string from the Clipboard to use with `ImportString`

Trying to work on this question I got distracted by my first naive attempt of copying the data and then typing dat = ImportString[Paste[], "Table"] ...
7
votes
3answers
520 views
7
votes
5answers
336 views

Splitting strings at lower case characters and numbers

I'm trying to split the strings of chemicals into their elements and numbers. See this example "Fe3O4" will be split into ...
6
votes
3answers
150 views

Isolating string characters

I have the following string: ...
32
votes
7answers
4k views

How do you convert a string containing a number in C scientific notation to a Mathematica number?

Suppose I have a string containing the C-representation of a floating point number, for example s = "1.23e-5" and I want to convert this to a Mathematica number. ...
6
votes
2answers
196 views

Converting a string into a nested list of strings

The following string can be converted easily into a list with ToExpression ...
5
votes
1answer
94 views

Simple string pattern crashes kernel

The following code crashes my Mathematica kernel (v9, MacOS): ...
2
votes
0answers
38 views

Is it possible to Compile the function with string argument?

As we can see from the Compile documentation, the typical arguments for Compile should be ...
0
votes
3answers
63 views

Unexpected behavior of rule-replacing with string concatenation [closed]

Here's the code. Clear[x,y,z]; {x,y,z} /. x_ :> ("^_^" <> ToString[x]) I get the result ^_^{x, y, z}, which is not ...
1
vote
3answers
118 views

Manipulate strings within a list

Let's say I have Solve[x^4 + 3 == 0, x] with output ...
6
votes
3answers
189 views

Problem with WordBoundary in string patterns

I am trying to extract from a string all words that end with "-man", but the problem is that WordBoundary does not seem to work as it returns whole string ignoring ...
4
votes
3answers
73 views

Question about Replacements and String Manipulations

I'm trying to get better at Mathematica and in the book I'm using (by Nancy Blachman) is the following question (which apparently was taken from another book: The Art and Science of C) which reads: ...
13
votes
2answers
435 views

How to embed an image into a string?

Note: The bug described in the post is in Mathematica 9, and has been fixed in 10.0. The documentation for String contains the following statements: Strings ...
3
votes
3answers
108 views

Generate list of strings from a list of assigned variables

How do I generate a list of strings from a list of assigned variables? Eg. Convert ...
8
votes
0answers
196 views

How to convert a notebook cell to a string retaining all formatting, colorization of identifiers etc?

I have an opened Mathematica notebook containing several cells. Suppose, I am interested in one of them -- it may contain a complete or incomplete expression (e.g. with syntax errors, highlighted ...
2
votes
1answer
81 views

How to efficiently process pasted content from PDF

I had selected a matrix in a PDF file, and paste it onto my MMA notebook. Below is the exact copy-pasted content: ...
5
votes
3answers
531 views

Caesar's cipher

How can Caesar cipher be implemented? I want to use StringReplace but I don't know how to write the replacement rule to replace the characters with, say, the ...
11
votes
2answers
182 views

ToExpression fails with long nested string expressions

Consider the following conversion from String to Mathematica Expression: ...
6
votes
1answer
190 views

Dataset and string conversion, using Internal`StringToDouble

i'm trying to get familiar with the new Dataset-stuff in Mathematica 10. As it will (hopefully) provide some benefit for me, I have started to convert my app to move from list and list of rules to ...
-1
votes
3answers
84 views

How do i import a list of files, choosing the name

I have this list of files, i'm using FileNames[{"*.txt"}, NotebookDirectory[]] to import it, but i just want the ones without inelastic on the name. How can i select just by the name? Thanks ...
2
votes
3answers
76 views

Table to text string [closed]

I know this is a simple question and there is a single command to do this but I have been looking for the command for 30+ minutes and cannot find it. I have a list that I want to put tabs between ...
4
votes
2answers
67 views

Can StringTemplate be extended to offer printf-like formatting capabilities?

Apparently, Mathematica has no real sprintf-equivalent (unlike any other high-level language known to man). This has been asked before, but I'm wondering if the new ...
0
votes
3answers
67 views

Positions of a string in a list [closed]

Sorry for the bad title..Didn't know how to describe this, feel free to change it to be more specific. I have a list in this form: ...
1
vote
1answer
29 views

StringCases: return list of outputs for each of several patterns

According to the documentation, StringCases[{s1, s2, ...}, p] returns {StringCases[s1, p], StringCases[s2, p], ...} but, ...
5
votes
3answers
231 views

String templating

I am pretty new to string processing in Mathematica. But I'm having some problems in doing simple string template filling to my mind elegantly. For example when doing export for my answer here, one of ...
2
votes
2answers
60 views

Using Table with arbitrary number of variables [closed]

Let $P=\{p_1,...p_n\}$. I would like a way to implent Table[Expression,{$p_1$,lim},{$p_2$,lim},...,{$p_n$,lim}] where n and lim are parameters defined by the user. Any ideas?
0
votes
0answers
40 views
3
votes
1answer
71 views

Convert an expression's symbols of form a$x to a[x]

I want a function that takes expressions of the following form: a$x and converts them to a[x]. In particular, consider the ...
6
votes
3answers
269 views

How to parse information contained in a file name

I have a set of files containing my data, and the file-names contain relevant information that I would like to extract. What I have is: ...
0
votes
1answer
89 views

Converting strings of the form “1.34e5” to real numbers? [duplicate]

ToExpresssion doesn't understand real numbers of the form "1.34e5". How do I convert the string ...
2
votes
2answers
82 views

Find names similar to a given name in a large data set

I'm trying to find a 'similar' name to every item in a list ...
2
votes
2answers
106 views

how to take some parts of String with certain pattern

I have the large number of files in which the file's names follow certain pattern. for example here are names of two files ...
8
votes
1answer
107 views

CSS Selectors for Symbolic XML

Symbolic XML is a convenient way of managing XML in Mathematica, at least for casual use or small tasks. Here and elsewhere you can find examples of XML handling in Mathematica, including XSLT/XPath ...
2
votes
2answers
93 views

Importing Data and Devoting Their Names to Them

There are some files in a directory. I have used of SetDiroctory to access all of them. SetDirectory["C:\\Users\\SE7EN\\Desktop\\mathematica\\test"]; I can visit ...
1
vote
2answers
53 views

Alternative to Except in StringExpression when using StringMatchQ

According to this answer and the documentation for StringExpression, Except can only be used in StringExpression for classes of ...
0
votes
0answers
18 views

How would I take a variable from a string and reassign its value? [duplicate]

If I have string={a,b,c}, where a=1, b=2, and c=3, how would I reassign a value to variable "a" without directly typing a = _? If I type string[[1]], the out put is "1". How would I generate the ...
0
votes
1answer
52 views

ToExpression and Fortran notation

ToExpression["9.0E-03"] interprets String as 9*e - 3 instead of what I am expecting ...
3
votes
2answers
106 views

Converting unevaluated lists to strings

I have a list like l = {2 - 3, 12 - 4, Times, aab} I want to end up with {"2-3", "12-4", "Times", "aab"} I have tried ...
4
votes
1answer
149 views

Selectively converting numerical strings to expressions

I have a list of strings representing different types of data ...
3
votes
1answer
185 views

How to extend dictionary.txt

How to extend the default dictionary.txt for Dictionarylookup to all words? For example, first I ...