3~15자의 영문 소문자와 숫자, 빼기(-), 밑줄(_), 마침

3~15자의 영문 소문자와 숫자, 빼기(-), 밑줄(_), 마침표(.)만 사용할 수 있습니다. (단, .은 처음과 끝에 사용불가, 숫자만 사용불가)

Results (English) 1:

English lower case letters and numbers of 3-15, subtract (-), underscore (_), a period (.) You can only use. (However, in the end, the first number is not available)

Results (English) 2:

3-15 characters lowercase letters, numbers and minus (-) (.), Underscore (_), periods can be used. (However, for the first time and it can not be used at the end, but the number can not be used)

Results (English) 3:

3, 15, the english lowercase letters and numbers, a minus (-) and transverse (_), conclusion (.) can only be used. (however, the beginning and the end. the use of fire, the fire)