This regexp selected random last symbol in string.

we know phone numbers are [one group of 3 numbers] [another group of 3 numbers] [a group of 4 numbers] we use D? as a way to find nondigits like the parenthesis This should also work: \(?\d{3}\)?\s?-?.?\d{3}\

This is a regular expression for validating places

telefonos en mexico

Check a given LDAP base DN with or without a hostname

Machine readable passport rule for the second line

Machine Readable passport rule for first line

Validation Expression to validate Blank String checks

Check if there's at least a lowercase, uppercase, digit and punctuation mark.

Regex to validate a Access-Control-Allow-Origin value

Phone Number with no letters or spaces