I am looking for a function that converts a math string passed as an argument (with the operations +, -, /, *), that returns an object that contains pieces of the math string, in an ordered/better way, which is easier to traverse. Characteristics of the input: is a string containing a formula the formula does…
Tag: parsing
Can you use JSON.stringify on an array with objects? [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 3 m…
Replace (fix) non UTF-8 character in string
When I am parsing a string to become a JSON object there are some special characters that are replaced with the black question mark (�), I believe that is an issue with the encoding of the character. Is there any way of replacing the question mark with the correct character (é) or is it lost? Answer From the …
How to access data-state in div id, cheerio node js
I am grateful to everyone who participates and will help a newbie. Task: Access div = client-state, then div = Here-Goes-Some-Div-ID and return json from data-state. I managed to refer to div = client state like this – Unfortunately, I did not find information on how to further access the “Here-Go…
JSON.parse incorrect string format
i have this string: and i want it to become like this: I tried with stringify and replace and i ended up with And from here i wanted to replace the single quotation marks ‘ with double quotation marks ” but when i did, in beginning and ending of the string appeared an extra ” Any tips on how…
Extract and replace dynamic placeholders in javascript string
I need to understand and find a way to replace the occurences of placeholders in a string. I’m working on an app for the Magic, The Gathering tcg game. The text of the card contains a description and some symbols Let me explain better with an example: Some possible strings are “{W}{B}, {T}: Preven…
How to parse html div text to json
I try to parse data from html to json structure, but I get empty strings. I do it first time. Here example of repeatable div block: But I get this: How I can get json text from classes .itemVuzTitle and .tooltipq to json structure with fields name like title and scores? Please, help with this question. It hel…
Two output files share the same path but have different contents
I’ve come across this error when building grammar for a parser, using nearley.js. I have three files: grammar.ne, grammar.js, and parser.js. The full error is below: Here are the contents of each of the files: grammar.ne: grammar.js: Nothing that I have found online has helped at all. This is built in a…
JavaScript converting the string “constructor” to [Function: Object]
I’m building a parser for a simple interpreter in JavaScript. I have a preprocessor method that removes specific tokens from an input list of tokens produced by the tokenizer: Each token is an object like this, with both type and value being strings: Somewhere in this function, when tokens[i].value == &…
Adding strings returns empty string in Javascript
My goal is for this function to return only “03.12.21, 16:12:52”. Currently only “]” is returned. Answer Move let date = “”; outside of the loop (you are resetting it each iteration)