I'm trying to match a hostname input with the following properties: a-z A-Z 0-9 : - are allowed ; doesnot start or end with - ; "." can be used to separate different labels of the hostname. But gives no match for this regex: ^(a-zA-Z0-9|(?<!-)\.(?![-.]))[a-zA-Z0-9]+)?)$...

Matches any valid DOI

I have a regex like this: /^(A-Za-z0-9)([\.\_]?[A-Za-z0-9-]+)(\.[A-Za-z]{2,6})+(\/A-Za-z+)*$/ and I want to test the string like: webmail.google.com.qqqqqqqqqqqqqqqqqqq....... But it shows TIMEOUT. I know that string is invalid for given regex. But I do this because when I input this string and ma...

(.*?) example: Your best title

Tests for all unicode language characters and number. Excludes any sentence joining characters etc.

Valid only for something.cz, some-thing.cz, 2245exampl.cz ... Not-valid for -some.cz, here.com.cz ...

e164_basic

Validate date in format dd/mm/yyyy dd.mm.yyyy dd-mm-yyyy or dd/mm/yy dd.mm.yy dd-mm-yy GetFrom -> http://stackoverflow.com/questions/15491894/regex-to-validate-date-format-dd-mm-yyyy

asfd

rwerw

Can anyone help me format the following regex for Mexico Phone Numbers. I have two issues, the Regular Expression builder is telling me my Grouping is invalid and also I am having trouble with the 52 pattern. I want it to allow any two digits such as [0-9]{2} example: 52-555-786-2300 (\\+?1[\\s\...

Checks password for following attributes: At least 2 uppercase letters At least 2 lowercase letters At least 2 numbers At least 2 non-alphanumeric characters ...

hi, i've been trying for hours to do this, i need to omit all text between single quotes / double quotes can someone help with this