exact 5 digits followed by string (city)

This regex can be used for parsing simple math terms. You can use this operations: + - * / For example: 1+2 1.9/8.9 -810.123-98...

Checks for password containing at least 1 Upper case, 1 lower case, 1 digit and 1 special character, all together with a length of at least 8. (This pattern allows any order of the requried elements, other than what was been distributed here before)

Matches ISO 8601 date formats

my first one

me

paypal accounts

Regex which finds and groups the Amazon S3 scheme (e.g. s3, s3n, s3a), bucket name, and key.

contact email validator updated for dash and number in domain TLD

validate contact email clientside in JS

match ofstream of("test.txt", ios_base::app); ofstream of("test.txt", ios_base::trunc); ofstream of("test.txt", ios_base::binary);