wildcard 很有价值,它通常用在查询上。下面是几个最为常用的wildcard (通配符):
* 与任何存在和不存在的字符或字符串相配,protein*, protein, proteins, protein-sequence
? 与任何单一一个字符相配,seq?.txt, seq1.txt
[ ] 与包含在方括号中任意字符或字符界限相配,[A-Z]*, anything with uppercase head
[! ] 与上一条相反,[!a-zA-Z], anything but letters
没有评论:
发表评论