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

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0
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0answers
11 views

Print joined string with variable superscript [duplicate]

I like to join some strings which I then like to print. A substring contains a number that I like to be printed in scientific format. An example to clearify: ...
6
votes
4answers
310 views

ToUpperCases based on the original string

Suppose I have a numberic string str = "1234567456"; and another string called nstr = "05eccead24"; I want to transform ...
0
votes
0answers
40 views

Generate rule that replaces if string matches pattern

I have let's say a function f[x], but for x I pass a string. And I want to replace that string with a number, if that string ...
1
vote
0answers
45 views

How to declare variables with plus/minus sign as subscript/superscript?

I am pretty new to mathematica, so please forgive me if I ask any stupid questions. I want to create a vector $a^{+}=[a^+_{k-2},a^+_{k-1},a^+_{k},a^+_{k+1},a^+_{k+2}]$ and then do some symbolic ...
2
votes
1answer
62 views

Replace part on string in list

I have a list with string and integers and want to replace one word in the string with an integer. For Example if I have ...
1
vote
2answers
66 views

fill in a table with some words letters

I have a list of words list={"ingenuous", "forgotten", "tree", "supercomput", "hundred"} How can I put the letters of each word in an element of a table such as ...
0
votes
1answer
47 views

Keeping Stretching Brackets/Braces/Parenthesis in A String

Hopefully a simple one...Does anyone know how to preserve "bracket stretching" in a string. For instance, if I copy a formula and use it as a plot label or in any string the brackets revert back to <...
3
votes
1answer
120 views

Why the pattern match don't work as expected

When I try to figure out this problem,I write such code: ...
5
votes
0answers
39 views

The second escaped path breaks command execution

Due to a terrible chain of events I had to reinstall part of my software. Git among it, but a newer version. Something changed because earlier all four evaluations were giving me a version info: <...
7
votes
1answer
285 views

How to split text without spaces into list of words? [duplicate]

What is the best approach to a problem like this in Mathematica? I can only manage this: ...
0
votes
1answer
34 views

Import create evil invisible characters when import txt including ellipsis:“…”

I'm using Mathematica10.0.2 on Win7 suppose I have a txt file named test_Import_characters.txt(http://pan.baidu.com/s/1hsvy6xQ) which contains two lines of string example(copied from http://...
3
votes
1answer
277 views

Strange behavior of StringReplace, same expression evaluated differently

I have two expressions which are exactly same: StringReplace["in the next few days", {"in" -> "ffdsf"}] and ...
0
votes
0answers
28 views

Shortest[] didn't work for StringReplace for shortest consistent match if whiteSpace involved [duplicate]

This is a problem related to How to use StringReplace "from bottom to global"? The answer of @J.M. works well for "<...>" styles : ...
2
votes
1answer
56 views

StringSplit on comma but ignore commas in quotes [closed]

I'm importing CSV files and some of the fields include quoted text with commas as part of the field, rather than as a field separator. What is the syntax (or alternative method entirely) to import ...
3
votes
1answer
35 views

Converting a string into a formatted data (to create bibitem from .bib file)

Say I have a string like this ...
3
votes
1answer
57 views
3
votes
1answer
33 views

How to use Write[stream, expression] without automatic addition of next line character

I am writing a C code for solving a big set of differential equations. I am trying to use Mathematica to export some of the long expressions to C. I would like to know how I could use Write[stream, ...
2
votes
3answers
79 views

Parsing/validating CAS registry number identifiers

Mathematica includes a lot of curated information on molecular structure and properties available through ChemicalData and ...
3
votes
1answer
68 views

How to implement search patterns and take into account language statistics?

Patterns in Mathematica I struggle some with patterns while trying to extract words out of large texts. Let us say that I have a long text (Strindberg) that we can call ...
2
votes
2answers
81 views

Generating a list of file names

I have set of files in the format 20160615-1-0.asc, 20160615-2-0.asc,... 20160615-5-0.asc etc. The following commands can List the file names at once which can be used to import later. ...
1
vote
0answers
29 views

Non-commutative concatenation of strings, keeping strings separate

I'm using strings as symbolic notation for non-commutative linear algebra and need to be able to concatenate without losing ordering and without combining the strings (in order to apply rules I've ...
9
votes
2answers
213 views

Position and string patterns

I am trying to get Position work with patterns. I have the following code: ...
2
votes
1answer
62 views

Need help with making an interactive 3D plot

My main problem is to generate a manipulatable 3D plot, combining three functions and two of those functions depend on another variable Theta (which shall be the manipulateable variable). To explain ...
5
votes
3answers
186 views

Delete all strings that are prefixes of another string

I have a long list of strings and I'm trying to find a more efficient way of removing those elements that are prefixes of another: ...
0
votes
1answer
31 views

Count words and letters by using LetterCounts and WordCount

How can I count letters and words in the following "text", by using LetterCounts and WordCount? ...
2
votes
0answers
46 views

Getting “string expected” error when using the TIDES package

TIDES is a package that approximates ODEs using a Taylor series method (You can download it from https://sourceforge.net/projects/tidesodes/ ). First I call the package: ...
-1
votes
1answer
62 views

Turn binary number into string of words [closed]

I don't actually have any code for this, as I have no real idea how to do it. I have a large binary number combination that I know turns into some sort of string. How would I go about translating it?
0
votes
1answer
72 views

insert comma between numbers [duplicate]

I have the following numbers rows and I want to insert a comma between the numbers? 6 7 9 51 64 68 79 102 116 128 148 155 184 202 273 283 292 1 7 8 10 52 65 69 80 103 117 129 149 ...
0
votes
2answers
57 views

Can I use StringExpression or RegularExpression to manipulate Symbolic XML?

Please, consider an XML document containing these fields: ...
3
votes
2answers
114 views

Replace non-zero elements with symbol

I have a very large matrix (tensor) in Mathematica with some zero and non-zero elements. I am interested in replacing the non-zero elements with some symbol or a 1 so that it is easier to view the ...
8
votes
1answer
128 views

What kind of pattern should I use with StringCases? [duplicate]

Consider the string str = "ABCaDEFbcABCdefDEF" I'd like to take out all substrings surrounded by the substrings "ABC" and <...
2
votes
3answers
146 views

What is an efficient way to pick out consecutive, same first-letter words from a list?

Taking a list of words, I'd like to pick out consecutive words that start with the same letter. The output should be a list of these pairs. The following is relatively slow: ...
0
votes
0answers
20 views

strse error in string operation

When I using jSoupLink, I found strange behaviour First, I load jSoupLink and define linkList ...
7
votes
4answers
197 views

Searching a phrase in all *.nb files

I have so many *.nb files in a folder. In one of them I have written a phrase, unfortunately I cannot remember that file. I am searching about it and the file in ...
2
votes
1answer
55 views

Why is head evaluation inconsistent in pattern replacement?

I noticed the following unexpected result: In[90]:= "foo" /. x_String -> Head[x] Out[90]= Symbol Why is it that Head[x] ...
12
votes
1answer
234 views

Longest common substring for multiple strings?

I'm looking for a way to get the longest common substring for multiple strings such as {home/dir1/dir2/jmoasd.txt,home/dir1/dir2/ivbnoxcihv.txt,home/dir1/dir2/siuhgiuchv.txt} should yield ...
1
vote
0answers
75 views

Numbers not treated as numbers

I'm apologize for the stupidity of this question, but I've run out of ideas. I have some data saved in a mx file. When imported, MM isn't treating the values as numbers. For instance: ...
6
votes
3answers
309 views

How to convert a string into a structured list

I am trying to use an efficient notation for the timing of sounds that i can play in Mathematica. I would like to parse the string "{ab{c{de}}f}" as the list ...
2
votes
0answers
43 views

StringSplit acting weird on a String in StandardForm [closed]

To begin, this is my first post on stack exchange, so if my question is not up to par please let me know so I can make the appropriate edits. Now for my question: why is it that parsing a string in ...
3
votes
3answers
107 views

Extract every nth character from a string

I'm trying to extract every 21st character from this text, s (given below), to create new strings of all 1st characters, 2nd characters, etc. I have already separated the long string into substrings ...
2
votes
2answers
85 views

How to translate/convert UTF-16 code to its corresponding word/characters by Mathematica?

I'm using Mathematica10.0.2 on my Win7. Recently I crawled some websites by mathematica and within the information returned by URLFetch there are plenty of UTF-16M codes. These UTF-16M codes are ...
6
votes
1answer
88 views

How to make captions for a movie?

I'm trying to make my own video parody with custom subtitles. Creating your own custom subtitles file in a text editor with the SubRip or .SRT format is easy to do, it looks like this: Where 00:...
4
votes
1answer
80 views

Extracting integers from a string

Imagine I have a block of text that contains words and numbers. I want to extract all the integers from the text. Thus, if the input is ...
0
votes
0answers
45 views

Constant Strings?

I am writing a workbook to compute double integrals, and in order to graph the function in polar/cylindrical form, I have to make a substitution in the original formula. How can I have the original ...
6
votes
1answer
106 views

StringPattern to remove markers around text

I am not able to figure the StringPattern to use to remove markers in string. This is the input. ...
10
votes
4answers
294 views

Convert elements of list to string

how easily can I convert elements of this list to string. If I have output like this: {{M, 1, 0, 0, 1, 1, 1, 0}, {A, 0, 0, 0}} And I want something like this: <...
3
votes
1answer
109 views

Problem with deleting words from text [closed]

The task I need to do is to import a text book from here http://www.gutenberg.org/cache/epub/36/pg36.txt, then drop the last 20000 words from it and determine how many times the remaining words occur. ...
2
votes
3answers
144 views

Importing a VCF file with quoted-printable encoding

The documentation has an example importing a VCF address book file which works fine: Import[ "ExampleData/wolfram.vcf" ] {{FormattedName->Wolfram Research, ...
10
votes
2answers
234 views

How to parse a clojure expression?

Clojure is a lisp-like language that runs on JVM and in Javascript. I just started learning it and I'm building a simple parser with Mathematica to understand and visualize it. Like other lisps every ...