Newest 'parsing performance strings' Questions

0votes

1answer

2kviews

Parsing messages with fixed-width fields into Employee objects

I'm writing a application that reads from a queue of messages from a legacy mainframe system. Some characteristics of message in the queue: Message from the Q is always fixed length plain text : 64 ...

edwin

121

asked Nov 27, 2018 at 10:12

2votes

4answers

900views

Split a string into a list of tokens

I have the following assignment that I succeeded in solving, but the code is very inefficient. I would appreciate if someone could show me a more efficient way, perhaps with substring. Note that I am ...

Yuki1112

135

asked Nov 5, 2018 at 16:32

3votes

2answers

383views

Extract SSID and BSSID from a file

I have file called Network.txt which contains SSID and BSSID as below: ...

leuage

167

asked Jul 26, 2017 at 11:38

2votes

1answer

63views

Extract integers from a string that is split at given positions

I am writing a program which runs quite slow and on profiling I found that the bottleneck is to split a given string at given positions. The first and short version I wrote was (80% of 67 sec, i.e. ...

RE60K

1,466

asked Jun 24, 2017 at 13:01

2votes

1answer

967views

Split string into "n" lengths with padding

I quickly wrote a short program to split a string into \$n\$ lengths with variable-character padding: ...

esote

3,800

asked Jan 16, 2017 at 1:48

2votes

1answer

641views

Flexible String tokenization in Swift

I want a flexible and fast way to break a string up into strongly typed tokens so that I can do things like the following: ...

MathewS

653

asked Dec 28, 2016 at 19:37

2votes

1answer

3kviews

Parsing in between of brackets

I do parsing of the string in order to find wrapped sub-string inside brackets of the first level. a+(b+(d-g))+g+d, in this case I will need to separate ...

Cron Merdek

123

asked Apr 22, 2016 at 7:46

4votes

5answers

259views

Consecutive whitespace reduction

I pursued an according algorithm with an absolute best performance, the following class embodies the solution. Any comment is welcome. ...

Avenicci

143

asked Feb 2, 2016 at 14:29

7votes

2answers

10kviews

Removing curly braces and contents inside it

Lets say I have a string like this: string s = "A }{ B { C } }{" //Indexes: 0123456789ABCDE Just consider the indexes beyond #9 are 10,11,12,13, and 14 ...

wingerse

214

asked Jan 14, 2016 at 19:30

1vote

2answers

70views

Function that check's file type based on certain keywords

I have a function that breaks up a source file and checks each token against a keyword list to determine whether its a particular file type. How can I improve this function? ...