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Regex Tag - simple

How do I replace multiple spaces with a single space?

Replace multiple spaces example

Type: replace, Date: 7/12/2015 4:10:18 PMAuthor: stackoverflow

Simple example - non capturing group

If I apply the regex below over it: (http|ftp)://([^/\r\n]+)(/[^\r\n]*)? I would get the following result: Match "http://stackoverflow.com/" Group 1: "http" Group 2: "stackoverflow.com" Group 3: "/" 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 non-capturing group (?:): (?:http|ftp)://([^/\r\n]+)(/[^\r\n]*)? Now, my result looks like this: Match "http://stackoverflow.com/" Group 1: "stackoverflow.com" Group 2: "/"

Type: match, Date: 7/12/2015 3:23:20 PMAuthor: stackoverflow

Simple Regex.Split sample - remove digits

User \d+ for remove digits and \D+ for remove text.

Type: split, Date: 3/30/2015 12:45:18 AMAuthor: admin

Get all HTML tags from page

Using a RegularExpression to match web (HTML code).

Type: match, Date: 3/27/2015 4:21:44 PMAuthor: admin