Accepts only characters from the alphabet (case-insensitive a to z)
Accepts only characters from the alphabet (case-insensitive a to z) and digits (0 to 9)
Accepts only digits (0 to 9)
Accepts only digits (0 to 9) and/or one dot (but not as the very first character) and/or one minus sign (but only if it is the very first character)
Must contain between 6 and 12 characters
Accepts only digits (0 to 9) and/or one minus sign (but only if it is the very first character)
Validates if the value satisfies the given regular expression