All Questions
78 questions
6
votes
2
answers
376
views
Operator associativity while writing tokenizer using regex match
I am trying to write a simple tokenizer for a basic arithmetic calculator. Here's the code:
...
- 163
10
votes
6
answers
1k
views
Extract unique email addresses from a text file
I'm working on a Python script that reads a text file and extracts all the unique email addresses. The code works as intended, it produces the correct output, throws no errors, and I've tested it on ...
- 101
0
votes
1
answer
93
views
Parsing shortcodes out of a string
I wrote this shortcode parsing and it runs in \$O(N^2)\$. Is there a way to better optimize this?
...
- 151
1
vote
2
answers
196
views
Parse list of UserPrincipal objects into custom class
I'm wondering how I could optimize this method that takes in a list of UserPrincipal objects, filters them by Regex and inserts the new class instance into a list. It takes 4 to 5 seconds for an input ...
- 11
2
votes
1
answer
332
views
Text splitter using Regular Expressions in Python
I have been provided a text splitter class that will take a text input and use re.sub to make replacements when matches are found and also splits sentences up and stores them in a list.
I had an idea ...
- 23
2
votes
2
answers
140
views
Regex and pandas to read forecast sky condition string
DataFrame methods to parse the sky condition from a terminal aerodrome forecast.
A line in a taf can report zero-eight cloud layers. Cloud layers are required in predominate lines, and optional in ...
- 658
1
vote
1
answer
138
views
using pandas and numpy to parse dirty .csv
I'm relatively new to Python have been writing for a few months now. I've started a Pandas Numpy project that starts with parsing large and somewhat sloppy formatted textfile, its not exactly csv but ...
- 658
0
votes
2
answers
153
views
Parse file and make output in custom List [closed]
I have a file output like this and want to do parsing and put the output into a List. The biggest problem here is the name of a wake-lock which appears after ID and runtime, in some cases, it contains ...
3
votes
1
answer
279
views
Parsing values from string into struct using match in Julia
My goal
I am parsing from a string which contains token:value pairs into a type.
Example:
...
- 133
5
votes
2
answers
208
views
Separating data from string representation of objects, with added extras
Given a string representation of data, I want to extract the information into its corresponding object.
However,
If the string has "|" separators then these should be considered options and ...
- 301
7
votes
3
answers
289
views
parse date and number from API results
I'm slurping up fields from an API that returns an array of fields. Each field in the array is a String that actually contains two separate fields (a number and a date). The number is enclosed in ...
- 225
8
votes
1
answer
365
views
Parse data from Input file and print results
I have written a script which does parsing to the input file and take out some values from them with respect to the node and print the data accordingly.
Below is my script, and it works as expected:
<...
- 183
11
votes
3
answers
4k
views
Convert a string like 4h53m12s to a total number of seconds in JavaScript
At the moment I have this:
...
- 640
18
votes
5
answers
4k
views
Speeding up thousands of string parses
I have a mapping application which takes string arguments in the form of string arrays. I parse these and then perform an action on the map. One of these is ...
- 447
5
votes
1
answer
81
views
Analyzing a web access log to obtaining totals for requests
This program takes the filename as the input and outputs to a file the number of requests that were more than 1000 bytes and the total bytes.
Log file example:
...
- 53