provides macros manipulating strings of tokens. For a basic use, tokens can be alphanumeric chars, but the macros can also be useful for manipulating tokens

learn more… | top users | synonyms

12
votes
1answer
306 views

Text being output when none should be

I am confused as to why the MWE below produces any black text. As the code is below, the output is: However, if you comment out the \IfStrEq line then it works fine and the black text goes away? ...
10
votes
3answers
2k views

Extract number from string and compare problem

I try to extract the year, month and day from a string and write different text depending on the given date. I thought I could use xstring and etoolbox, but I can'st get it to work. Here's the code ...
9
votes
4answers
4k views

How to cut a section title in the header

I redefine my headers as in the following MWE: \documentclass[12pt]{article} \usepackage{xstring} \usepackage{fancyhdr} \fancypagestyle{monstyle}{% \fancyhf{} % remove everything ...
1
vote
1answer
217 views

Getting an error when trying to use 'xstring' commands in my macro

When I try to compile the minimal example below, I get an error: ! Argument of \@xs@StrLeft has an extra }. <inserted text> \par l.33 \setInSCCF{abcdef} If I switch the ...
4
votes
3answers
432 views

Arguments expansion in IfSubStr

EDIT: Simplified question How can I make the following code print "Yes"? \IfSubStr{\textbf{AAA}}{AAA}{Yes}{No} Full question I'm playing with xstring's IfSubStr, but I don't really understand ...
5
votes
5answers
2k views

Process a string with replacing and splitting

I have an input string like "123-45" or "1-3-5" or "2-4; 6-8" where the minus signed should be removed. This is easy with the xstring package. \StrSubstitute{#1}{-}{} The next step is to split the ...
4
votes
3answers
1k views

Replace chars with xstring. Catcode problem

I try to do something like this (minimal example): \documentclass[]{article} \usepackage{mathtools} \usepackage{xstring} \newcommand{\foo}[1]{ \StrSubstitute{#1}{:}{\string&}[\fooo] ...
5
votes
1answer
172 views

Substituting strings only when not bounded by letters or numbers

Using StrSubstitute from xstring I can find and replace matches. For e.g.: \StrSubstitute{I like to eat fish.}{fish}{apples} gives "I like to eat apples." \StrSubstitute{Do you want to ...
3
votes
1answer
140 views

Splitting parameters in a macro

I have a macro like this: \newcommand{\listanimals}[1]{ Animals in the farm: #1. } So using \listanimals{pig / sheep / cow / duck / goat} will print: Animals in the farm: pig / sheep / cow ...
3
votes
1answer
260 views

Using xstring utilities on \ref*{…}

In the following code, I would like to use \StrGobbleLeft{\ref*{#1}}{2} so as to use n instead #n where the last formatting is used to number special footnotes for links. \StrGobbleLeft{\ref*{#1}}{2} ...
6
votes
2answers
268 views

\StrMid and \MakeUppercase problem

What's wrong with this: \documentclass{minimal} \usepackage{xstring} \begin{document} \newcommand{\cim}{c1095} \StrMid{\MakeUppercase{\cim}}{1}{1} \StrMid{\cim}{2}{100} \end{document} ...
5
votes
2answers
553 views

Feeding arguments to xstring macros

In Footnotes with automatic final period, the comment was made to provide the possibility to add a period . to a footnote conditionally, based on whether the footnote already has a period or not. I ...
6
votes
2answers
438 views

Using xstring to check .tex file name

I am having difficulty in using xtring to check the file name of the .tex file. All three of the cases shown below produce the wrong output. Surprisingly in my actual more complicated usage, the ...