How to input?
Right
"Homo sapiens", "Homo" and "sapiens"
("homo sapiens" is right when case insensitive is selected)
Wrong
"yeast" [Use Latin name.
Try "Saccharomyces cerevisiae" or "cerevisiae"]
"E. coli" ['.' matches one character in regular expression.
Try "Escherichia coli" or "coli"]
Basic regular expression
\ Quote the next metacharacter
^ Match the beginning of the line
. Match any character (except newline)
$ Match the end of the line
| Alternation
() Grouping
[] Character class
* Match 0 or more times
+ Match 1 or more times
? Match 1 or 0 times
{n} Match exactly n times
{n,} Match at least n times
{n,m} Match at least n but not more than m times
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