Regular expressions are a declarative language, mainly used for pattern matching within strings. Please include a tag specifying the programming language you are using, together with this tag.

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26 views

HTML to plain text converter

Please, review the code below. Test class: ...
2
votes
1answer
32 views

HTML Compressor with regex

I would like to compress a Magento HTML page using some regex, and this is what I have written: ...
5
votes
3answers
50 views

Extract room sizes & room types from an estate description with regex

I'm trying to extract room types and sizes from a descriptive text utilizing the following scripts as an exercise. Any tips on being more pythonic would be amazing! The script is based off the help I ...
12
votes
2answers
133 views

I think I might be having a regex nightmare

I've been working on the Rubberduck (an add-in for the VBA Editor /"VBE"), specifically here the VBA.Parser namespace. Here's how I ended up implementing the syntax ...
3
votes
1answer
49 views

Parsing Lua 5.2 strings with patterns

I wrote some code to parse Lua 5.2 strings in Lua 5.1, using patterns. It's a bit too slow, but it works fine as far as I tested. ...
0
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2answers
44 views

Optimizing regex alternation, ability to view which choice matched?

So I've got a regular expression parsing tcp responses from a music daemon. In case responses pile up I've come up with an expression to separate full responses from the data, however I'd like to also ...
4
votes
2answers
40 views

Perl 6 oneliner to sum up all numbers in a text file

The task is to sum up scores mentioned in a text file. Scores are floating point numbers as defined by the regexp float immediately preceded by a * character to ...
2
votes
0answers
25 views

Replace while loop with sed

I have a script for school that mimics the cp command. Part of the assignment is to modify the script so that the while loop (that assigns stdin to the variable filelist) is instead done with sed. ...
5
votes
1answer
39 views

Regex matching keys in a Dictionary

I have extended this class http://wiki.unity3d.com/index.php/CSharpMessenger_Extended to accept strings containing wildcards as eventTypes, therefore I am able to ...
10
votes
1answer
50 views

Automatic report generation from BibTeX

I wrote the following code for the question I asked here. Are there any catastrophic mistakes? (actually it did not really work with perltex and I am in doubt about having syntax mistake(s)) Also, I ...
5
votes
3answers
51 views

Some simple Perl and Regex

Reads from a flat file of three columns, delimited by at least one tab character. Filters the three columns based on input; returns list of corresponding emails. Arguments passed like ...
6
votes
2answers
339 views

The Bucketizer Script

This code is written in a SSIS Script Component that basically accomplishes what I previously had as a T-SQL script, that was reviewed here. I need to split a 80 character string that contains 20 ...
2
votes
3answers
65 views

Searching text for a string

This is my current code: ...
4
votes
2answers
55 views

Substituting Hebrew letter variants

I have two functions that replace letters. In one function, I'm replacing a regular Hebrew letter with its final form, and the other function undoes this operation. (Consider it like ...
7
votes
2answers
332 views

replace() for translating color names

I have some code to translate some color names, and this is what I did, quick and dirty. But I'm guessing there might be some function to replace arrays with arrays maybe, like in PHP, where you can ...
2
votes
1answer
86 views

Removing stray brackets from in between shortcodes

I was wondering if someone could point me in the right direction for cleaning up this code. WordPress uses shortcodes in the form [shortcode] to add extended functionality to posts and pages. What ...
3
votes
2answers
75 views

Regex to select the last components of a file path

I have a regex sequence that will take the end of a file path and select it for me for example: ...
6
votes
4answers
88 views

Extraction of numbers from currency string

I have the following code; whereas currency and views are in reality many JSON objects from an SAP export, that I can not rely ...
4
votes
3answers
69 views

Regex to find addresses and phone numbers

I am trying to optimize my Java code where I am parsing an address field. Address fields have the format: ...
22
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4answers
3k views

Someone thinks poorly of my server log parser

I have just been informed that the following code written by me is extremely poor. I have absolutely no idea why. It is memory efficient, and looks clean to me. But still the feedback is very poor. I ...
3
votes
3answers
376 views

DateTime-like class implementation in modern C++

In modern C++, there is no class like datetime in the standard which can be used in the program. However, with additional of modules like ...
3
votes
1answer
29 views

Faults using mod_rewrite

I never really bothered using mod_rewrite to achieve SEO friendly names but I've always admired from a distance because I've never been good at regex. The below .htaccess file does work, but I'm ...
4
votes
1answer
93 views

Fast regex to extract strings before and after a time

I want to get text1 and text2 by splitting time format Text1 10:24:02 Text2 Of the ...
8
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2answers
94 views

Generating and calling code on the fly

Delegate This class module defines what I'm calling, in this context, a Delegate - here a function that can take a number of parameters, evaluate a result, and ...
8
votes
1answer
410 views

Email validation using JavaScript

I have a function where I validate emails via a regex. I was wondering if this is the best regex to use or if there's a better way of doing it. Also is there a ...
4
votes
1answer
103 views

CodeEval Sequence Transformation

I've been working on this challenge for a week: There are two sequences. The first sequence consists of digits "0" and "1", the second one consists of letters "A" and "B". The challenge is to ...
4
votes
1answer
80 views

Regular expressions - match only specified string length

I'm learning regex. Here I'm checking a string of type aA1 but want also to check it is only 3 characters long. Is there a better way of doing it please? ...
1
vote
1answer
34 views

Using Regexp to select the date from a string [closed]

I have a string with date details with time, but I would like to show the day information alone. For that, I use the regexp to select the date. Can anyone tell me the regexp, and if what is used is ...
2
votes
1answer
58 views

Regex-ing an array

I am new using regex expression. After much digging I came up with this code. I would like to know if this is the correct way. I want to search in Joomla for some html tags with specific class and ...
4
votes
1answer
81 views

Deserialize an email header into key-value pairs

I've created a function that will deserialize an email header into a list of key-value pairs. I've run numerous tests using MS Office Outlook 2010 and MS Office 14.0 Object Library, all of which were ...
2
votes
2answers
141 views

Phone Number Extracting using RegEx And HtmlAgilityPack

I've written this whole code to extract cell numbers from a website. It is extracting numbers perfectly but very slowly, and it's also hanging my Form while Extracting. ...
1
vote
0answers
60 views

Using URLs and RegEx for web scraper from a dictionary [closed]

I have dozens of functions which GET/POST to some URLs and extract data using RegEx. The URLs and regular expressions were hard-coded earlier but now I moved all of them to a dictionary. I then saw ...
4
votes
1answer
53 views

Split a string of hostnames, expand from regex, return non-duplicated names in original order

I have the following function. It can be passed a candidate_string such as the following examples: "device1 device2" "device1" "device.*" "device.region" "device[123] Assume that target_list ...
11
votes
2answers
316 views

Markdown to HTML

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6
votes
1answer
51 views

Expand hostnames from a string of hostnames and/or regex

This code will be passed a string which will contain one or more hostnames. A hostname can be dotted-decimal plain name (like my_host) FQDN or even partially ...
2
votes
2answers
35 views

Performance of RegExp vs Rune Loop

I was recently talking to someone about a function I wrote to mimic (very basically) the string interpolation function String.Format() found in the C# language. ...
3
votes
2answers
64 views

Align text (left, center, right) without additional packages

I wrote this short subroutine to left, center, right-align a multiline string. How can I make it better (shorter, prettier, optimized)? Can you offer some suggestions? ...
1
vote
1answer
78 views

Two implementations of website internationalization

I have attempted to create an internationalization system for my PHP framework that I'm working on. For the purpose I decided I will be using MySQL to store languages and translations. Respectively I ...
2
votes
1answer
62 views

Process a line in chunks via Regular Expressions with Ruby

I'm writing a Ruby script to reverse engineering message log files. They come from an external system with the following characteristics: Each line of the log file has at least one message. Each ...
10
votes
3answers
170 views

Match Simple Sentence or Partial Sentence

Description Match a Simple Sentence or a partial sentence Suitable for matching People Names (to some extent) Product Titles (to some extent) Correct use of apostrophe (to some extent) ...
7
votes
3answers
1k views

Replacing non-ASCII characters

I wrote a C# program to remove non-ASCII characters in a text file, and then output the result to a .NonAsciiChars file. The input file is in XML format. In fact, ...
5
votes
1answer
89 views

Do I have too many regexes in my validation logic?

The below function uses Javascript to validate a Belgian telephone number and format it according to the guidelines for phone number formatting. ...
2
votes
2answers
173 views

Validate multiple regexes without a for loop in JavaScript

For a project, I need to validate a VAT number against the correct algorithm. I found a library for this here (freeware, so I should be able to reuse it) that I'm grateful exists. However, I feel like ...
5
votes
3answers
195 views

Regex to validate font names

/((([\w -]+)|("[\w -]+"))( *, *)?)+/ http://refiddle.com/18ql I'm trying to use a PHP regex to sanitize a user input for a list of fonts. The above one seems to ...
6
votes
3answers
150 views

Pattern tokenization program

I am writing this program to try and get some practice at C++ and correct and proper styling. This code is meant to take user input from a pip and then run it through the program. The user enters a ...
5
votes
1answer
141 views

Generating the pretty bit at the end of a URL

I'm having a dip into F# and am attempting not to write it like it's C#. One area that bothers me is using members of System.String. These often need to be chained ...
5
votes
3answers
143 views

Cleaner or better readability in URL composition

I have a URL that is hardcoded via a config which I extract into a config: ...
3
votes
1answer
104 views

Automatic condensing of whitespace in HTML

One of the things that has occurred to me more recently is that if you add up all of the bandwidth that is taken up by thousands of users downloading the newlines and tabs used to make HTML source ...
7
votes
1answer
381 views

Convert WKT representations of geometries into GeoJson

I am working on a class library in C# to convert WKT to GeoJson. I am getting shapes in WKT out of MSSQL. A lot of the shapes ...
2
votes
1answer
59 views

Is this regular expression optimizable (reduced match steps) [closed]

Requirement that need to handle: only ascii letters in lower register [a-z], digits [0-9], ...