I found that in 123, \d matches 1 and 3 but not 2. I was wondering if \d matches a digit satisfying what kind of requirement? I am talking about Python style regex. Regular expression plugin in Gedit is using Python style regex. I created a text file with its content being Only 1 and 3 are matched by the regex \d; 2 is not. Generally for a sequence of digit numbers … Read more
Currently I have an input box which will detect the URL and parse the data. So right now, I am using: The problem is, when I enter a URL like www.google.com, its not working. when I entered http://www.google.com, it is working. I am not very fluent in regular expressions. Can anyone help me?
Currently I have an input box which will detect the URL and parse the data. So right now, I am using: The problem is, when I enter a URL like www.google.com, its not working. when I entered http://www.google.com, it is working. I am not very fluent in regular expressions. Can anyone help me?
There is no simple built-in string function that does what you’re looking for, but you could use the more powerful regular expressions: #[0, 5, 10, 15] If you want to find overlapping matches, lookahead will do that: If you want a reverse find-all without overlaps, you can combine positive and negative lookahead into an expression like this: #[1] … Read more
Let me try to explain this with an example. Consider the following text: Now, if I apply the regex below over it… … I would get the following result: But I don’t care about the protocol — I just want the host and path of the URL. So, I change the regex to include the … Read more
The following should work: Explanation: To get your desired grouping based on the comments below, you can use the following:
Use ? at the end for characters: [A-Za-z]? This will match at most 1 presence of a character (lower or upper case).
Matches the following If you do not want a match on non-US numbers use Update :As noticed by user Simon Weaver below, if you are also interested in matching on unformatted numbers just make the separator character class optional as [\s.-]?
This is a quick and dirty solution iterating on each pattern, and for each pattern trying to match the entire string, then iterating over matches and storing each match with its position in a map. The map implicitly sorts the matches by key (position) for you, so then you just need to iterate the map … Read more
Obviously, you can use the | (pipe?) to represent OR, but is there a way to represent AND as well? Specifically, I’d like to match paragraphs of text that contain ALL of a certain phrase, but in no particular order.