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  • Find Hyperlinks in Text using Python (twitter related)

    - by TimLeung
    How can I parse text and find all instances of hyperlinks with a string? The hyperlink will not be in the html format of <a href="http://test.com">test</a> but just http://test.com Secondly, I would like to then convert the original string and replace all instances of hyperlinks into clickable html hyperlinks. I found an example in this thread: Easiest way to convert a URL to a hyperlink in a C# string? but was unable to reproduce it in python :(

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  • Obtain patterns in one file from another using ack or awk or better way than grep?

    - by Rock
    Is there a way to obtain patterns in one file (a list of patterns) from another file using ack as the -f option in grep? I see there is an -f option in ack but it's different with the -f in grep. Perhaps an example will give you a better idea. Suppose I have file1: file1: a c e And file2: file2: a 1 b 2 c 3 d 4 e 5 And I want to obtain all the patterns in file1 from file2 to give: a 1 c 3 e 5 Can ack do this? Otherwise, is there a better way to handle the job (such like awk or using hash) because I have millions of records in both files and really need an efficient way to complete? Thanks!

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  • Change Number Format

    - by gsembilan
    I have a lot lines contains XXXXXXXXX number format. I want change number XXXXXXXXX to XX.XXX.XXX.X XXXXXXXXX = 9 digit random number Anyone can help me? Thanks in advance

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  • JavaScript Regular expressions, match and replace link

    - by Thoman
    Hello please help me <html> <body> http://domainname.com/abc/xyz.zip http://domainname2.com/abc/xyz.zip </body> </html> I want replace with link and out put like <html> <body> <a href="http://domainname.com/abc/xyz.zip">http://domainname.com/abc/xyz.zip</a> <a href="http://domainname2.com/abc/xyz.zip">http://domainname2.com/abc/xyz.zip</a> </body> </html> Great Thank

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  • What should I know about Python to identify comments in different source files?

    - by Can't Tell
    I have a need to identify comments in different kinds of source files in a given directory. ( For example java,XML, JavaScript, bash). I have decided to do this using Python (as an attempt to learn Python). The questions I have are 1) What should I know about python to get this done? ( I have an idea that Regular Expressions will be useful but are there alternatives/other modules that will be useful? Libraries that I can use to get this done?) 2) Is Python a good choice for such a task? Will some other language make this easier to accomplish?

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  • Extraction from string - Ruby

    - by Dantes
    I have a string. That string is a html code and it serves as a teaser for the blog posts I am creating. The whole html code (teaser) is stored in a field in the database. My goal: I'd like to make that when a user (facebook like social button) likes certain blog post, right data is displayed on his news feeds. In order to do that I need to extract from the teaser in the first occurrence of an image an image path inside src="i-m-a-g-e--p-a-t-h". I succeeded when a user puts only one image in teaser, but if he accidentally puts two images or more the whole thing craches. Furthermore, for description field I need to extract text inside the first occurrence inside <p> tag. The problem is also that a user can put an image inside the first tag. I would very much appreciate if an expert could help me resolve this what's been bugging me for days. Text string with a regular expression for extracting src can be found here: http://rubular.com/r/gajzivoBSf Thanks!

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  • Regular Expression - Capture and Replace Select Sequences

    - by Chad
    Take the following file... ABCD,1234,http://example.com/mpe.exthttp://example/xyz.ext EFGH,5678,http://example.com/wer.exthttp://example/ljn.ext Note that "ext" is a constant file extension throughout the file. I am looking for an expression to turn that file into something like this... ABCD,1234,http://example.com/mpe.ext ABCD,1234,http://example/xyz.ext EFGH,5678,http://example.com/wer.ext EFGH,5678,http://example/ljn.ext In a nutshell I need to capture everything up to the urls. Then I need to capture each URL and put them on their own line with the leading capture. I am working with sed to do this and I cannot figure out how to make it work correctly. Any ideas?

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  • Getting the title of a page in PHP

    - by Francesc
    Hi. When I want to get the title of a remote webiste, I use this script: function get_remotetitle($urlpage) { $file = @fopen(($urlpage),"r"); $text = fread($file,16384); if (preg_match('/<title>(.*?)<\/title>/is',$text,$found)) { $title = $found[1]; } else { $title = 'Title N/A'; } return $title; } But when I parase a webiste title with accents, I get "?". But if I look in PHPMyAdmin, I see the accents correctly. What's happening?

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  • Retain Delimiters when Splitting String

    - by JoeC
    Edit: OK, I can't read, thanks to Col. Shrapnel for the help. If anyone comes here looking for the same thing to be answered... print_r(preg_split('/([\!|\?|\.|\!\?])/', $string, null, PREG_SPLIT_DELIM_CAPTURE)); Is there any way to split a string on a set of delimiters, and retain the position and character(s) of the delimiter after the split? For example, using delimiters of ! ? . !? turning this: $string = 'Hello. A question? How strange! Maybe even surreal!? Who knows.'; into this array('Hello', '.', 'A question', '?', 'How strange', '!', 'Maybe even surreal', '!?', 'Who knows', '.'); Currently I'm trying to use print_r(preg_split('/([\!|\?|\.|\!\?])/', $string)); to capture the delimiters as a subpattern, but I'm not having much luck.

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  • Reading a line backwards

    - by Jimmy
    Hi, I'm using regular expression to count the total spaces in a line (first occurrence). match(/^\s*/)[0].length; However this reads it from the start to end, How can I read it from end to start. Thanks

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  • How can i give password validation in flex

    - by praveen
    I want the validator for password text input. At least one Upper case letter At least one numeric character At least one special character such as @, #, $, etc. should be there in password how can i give it in action script or mxml.please help me. Thanks.

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  • Is it safe to validate a URL with a regexp?

    - by Vilx-
    In my web app I've got a form field where the user can enter an URL. I'm already doing some preliminary client-side validation and I was wondering if I could use a regexp to validate if the entered string is a valid URL. So, two questions: Is it safe to do this with a regexp? A URL is a complex beast, and just like you shouldn't use a regexp for parsing HTML, I'm worried that it might be unsuitable for a URL as well. If it can be done, what would be a good regexp for the task? (I know that Google turns up countless regexps, but I'm worried about their quality). My goal is to prevent a situation where the URL appears in the web page and is unusable by the browser.

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  • Mutually exclusive regular expressions

    - by CaptnCraig
    If I have a list of regular expressions, is there an easy way to determine that no two of them will both return a match for the same string? That is, the list is valid if and only if for all strings a maximum of one item in the list will match the entire string. It seems like this will be very hard (maybe impossible?) to prove definitively, but I can't seem to find any work on the subject. The reason I ask is that I am working on a tokenizer that accepts regexes, and I would like to ensure only one token at a time can match the head of the input.

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  • How would I make this faster? Parsing Word/sorting by heading [on hold]

    - by Doof12
    Currently it takes about 3 minutes to run through a single 53 page word document. Hopefully you all have some advice about speeding up the process. Code: import win32com.client as win32 from glob import glob import io import re from collections import namedtuple from collections import defaultdict import pprint raw_files = glob('*.docx') word = win32.gencache.EnsureDispatch('Word.Application') word.Visible = False oFile = io.open("rawsort.txt", "w+", encoding = "utf-8")#text dump doccat= list() for f in raw_files: word.Documents.Open(f) doc = word.ActiveDocument #whichever document is active at the time doc.ConvertNumbersToText() print doc.Paragraphs.Count for x in xrange(1, doc.Paragraphs.Count+1):#for loop to print through paragraphs oText = doc.Paragraphs(x) if not oText.Range.Tables.Count >0 : results = re.match('(?P<number>(([1-3]*[A-D]*[0-9]*)(.[1-3]*[0-9])+))', oText.Range.Text) stylematch = re.match('Heading \d', oText.Style.NameLocal) if results!= None and oText.Style != None and stylematch != None: doccat.append((oText.Style.NameLocal, oText.Range.Text[:len(results.group('number'))],oText.Range.Text[len(results.group('number')):])) style = oText.Style.NameLocal else: if oText.Range.Font.Bold == True : doccat.append(style, oText) oFile.write(unicode(doccat)) oFile.close() The for Paragraph loop obviously takes the most amount of time. Is there some way of identifying and appending it without going through every Paragraph?

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  • sed find pattern on line with another pattern

    - by user2962390
    I am trying to extract text from a file between a '<' and a '', but only on a line starting with another specific pattern. So in a file that looks like: XXX Something here XXX Something more here XXX <\Lines like this are a problem ZZZ something <\This is the text I need XXX Don't need any of this I would like to print only the "<\This is the text I need". If I do sed -n '/^ZZZ/p' FILENAME it pulls the correct lines I need to look at, but obviously prints the whole line. sed -n '/</,//p' FILENAME prints way too much. I have looked into grouping and tried sed -n '/^ZZZ/{/</,//} FILENAME but this doesn't seem to work at all. Any suggestions? They will be much appreciated. (Apologies for formatting, never posted on here before)

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  • Filter list of phone numbers using php

    - by LiveEn
    I have a list of phone numbers that start with the below numbers and in different formats...i need to grab the numbers that start only with the below numbers/format using php...... 020 8 07974 +44 (0) 20 +44 0 440203 any help will be appreciated..

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  • extract variables from an expression using javascript regexp

    - by powerboy
    For example, here is a string representing an expression: var str = 'total = sum(price * qty) * 1.09875'; I want to extract variables (i.e., 'total', 'price' and 'qty' but not 'sum' since 'sum' is a function name) from this expression. What is the regexp pattern in javascript? Variable name consists of letters, digits, or the underscore, beginning with letters or the underscore.

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  • regular expression: extract last 2 characters

    - by dotnet-practitioner
    what is the best way to extract last 2 characters of a string using regular expression. For example, I want to extract state code from the following "A_IL" I want to extract IL as string.. please provide me C# code on how to get it.. string fullexpression = "A_IL"; string StateCode = some regular expression code.... thanks

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