How to detect palindromes up to 12 characters in length. I chose 12 because currently, the longest palindrome that is an actual word is "tattarrattat". This was a fun exercise because someone said pcre can't detect palindromes. Check and mate, my good sir.

Iranian cell phone number pattern to being used in regular expression this work for iranian operator (irancell , Taliya, MCI,RighTel) Irancell and Taliya : 093 , MCI : 091 , RighTel : 092 cheers

2017-06-29\s06:50:(\d+).?([A-Z]+).?(?:\[(.*?+))

in the example, I'm matching all the #tags except *#thankyouburger *. very useful for when you want to strip out all but one tag

Validate the structure of the IP address with suffix of red

Finds valid phone numbers, including dashes Valid: 223-444-5555 Invalid:...

\S\/(\/(download|getn|getnum|file)\.php)\?\S*

Usernames are used everywhere on the internet. They are what give users a unique identity on their favorite sites. You need to check all the usernames in a database. Here are some simple rules that users have to follow when creating their username. 1) The only numbers in the username have to be at...

Path de desígnio em português, aceita acentos espaçamentos e preenche os requisitos de um path em PT