I have a regular expression as follows: ^/[a-z0-9]+$ This matches strings such as /hello or /hello123. However, I would like it to exclude a couple of string values such as /ignoreme and …

Mar 4, 2009 · How do I write a regex to match any string that doesn't meet a particular pattern? I'm faced with a situation where I have to match an (A and ~B) pattern.

Mar 8, 2010 · I know that the following regex will match "red", "green", or "blue". red|green|blue Is there a straightforward way of making it match everything except several specified strings?

Over the years I have slowly developed a regular expression that validates most email addresses correctly, assuming they don't use an IP address as the server part. I use it in several PHP …

I'm searching for UUIDs in blocks of text using a regex. Currently I'm relying on the assumption that all UUIDs will follow a patttern of 8-4-4-4-12 hexadecimal digits. Can anyone think of a …

Mar 11, 2012 · How can I make the following regex ignore case sensitivity? It should match all the correct characters but ignore whether they are lower or uppercase. G[a-b].*

Feb 24, 2023 · For reference, from regular-expressions.info/dot.html: "JavaScript and VBScript do not have an option to make the dot match line break characters. In those languages, you can …

Jun 26, 2017 · Definitely not an expert at Regex so I'm struggling here a bit. I'd like to create a pattern that will match the following format: cat:hairy, rat:hairless [correct] cat:hairy, rat:

Aug 5, 2013 · 35 That's because your pattern contains a .-^ which is all characters between and including . and ^, which included digits and several other characters as shown below: If by …

The other answers here fail to spell out a full solution for regex versions which don't support non-greedy matching. The non-greedy quantifiers (.*?, .+? etc) are a Perl 5 extension which isn't …