Find all instances of a double dollar delimited centred LaTeX equation, for use with e.g. KaTeX

oneliner SOA record matching regexp. like "ns1.domain.com.ge. mail.ns1.domain.com.ge. (2014061613 3600 600 604800 1800 )" without @ IN SOA in begging, usefull when implementing something like DNS GUI.

separate nginx log into database table-style fields

Unsatisfied with your email validation? Concerned about standards compliance? Worried about that one weird edge case? Want to stress-test your regex engine? This might be the regex for you!

e164_basic

remove the multiline switch

This is not my creation, it is from a github repor

Regular expression for asp:RegularExpressionValidator with format MMddyy. i have resolved the issue for leap Year and month ending day as well.

A regular expression to validate a Date in format DD/MM/YYYY

HI, I'm looking for RegX to match words with more than two sequential characters

Parses the common log format into component elements. According to wikipedia, common log is strftime format %d/%b/%Y:%H:%M:%S %z

unsplash.com