Our way around this was to limit our character counts to the twenty most frequently occurring non - alphanumeric characters in a pool of c , c , java , and python code 我们的方法是将字符统计限制到c 、 c + + 、 java和python代码字符库中最常用的20个非字母数字字符。
When asked for a passphrase , make sure to enter a reasonably long string message which contains alphanumeric characters rather than a simple password string 当要求输入口令时，确保输入一个足够长的字符消息，最好包含混合字符而不仅仅是一个简单的密码字符串。
A valid column name must begin with a letter , be le than or equal to 30 characters , and co ist of only alphanumeric characters and the ecial characters $ , _ , and # 一个有效的列名必须是以字母开头，小于30个字符，并且只包含字母、数字或一些特殊的符号$ , _ , # 。
A valid column name must begin with a letter , be less than or equal to 30 characters , and consist of only alphanumeric characters and the special characters $ , _ , and # 一个有效的列名必须是以字母开头，小于30个字符，并且只包含字母、数字或一些特殊的符号$ , _ , # 。
Error : your legal address line 1 must be 35 characters or less and may only include alphanumeric characters , spaces , and basic symbols 这是说我的邮件地址不能多于35个字符呢还是说我的联系地址不能多于35个字符呢,如果联系地址不能超过35字符,那咋说的清楚联系地址呀
Lee , c . m , w . k wong , method for identifying a sequence of alphanumeric characters , abstract appearing on united states patent office official website for us patent number 6 , 026 , 177 , august , 1995 1995 . 8李春茂博士，黄永健先生就文字与数位序列的识别方法申请专利，摘要见于美国专利局网站，美国专利号： 626177 。
In a set operation , a component of the name specified in the value is empty or longer than 8 characters , not an alphanumeric character or hyphen , or the name contains a leading or trailing hyphen 在设置操作中，值中所指定名称的某个部分为空或长度超过8个字符，或者不是字母、数字或连字符( - ) ，亦或名称中包含一个前导或尾部连字符。
Vecon is a video optical character recognition vocr system that can visually locate and identify stationary and moving alphanumeric and non - alphanumeric characters , colors , patterns , object size and motion in either gray - level or colour source images 慧光是一套影像光学文字辨识系统,并能读取并识别静止或移动中的汽车车牌号码或集装箱号码。
If you store hashed passwords in any way , you should require your users to choose passwords that are not common words and that contain some numbers and non - alphanumeric characters to help prevent dictionary attacks 如果通过任何方式存储哈希密码，则您应该要求用户在选择密码时不使用常用的单词，并且密码应包含一些数字和非字母数字字符以防止字典攻击。
Password must be in 6 to 20 digits and in uppercase or lowercase of alphanumeric characters ( i . e . a - z , a - z and numbers 0 - 9 . ) the use of non - alphanumeric characters including space will not be accepted . password is case - sensitive 密码的长度必须在6至20个字元之间，格式只可以使用大小阶英文字母a - z ， a - z和数目字0 - 9 ，不能是其他字元或空格；字元有大小写之分。
