strings.Count
Syntax
strings.Count SUBSTR STRING
Returns
int
如果SUBSTR是一个空字符串，此函数返回STRING中的 Unicode 代码点数加1。
{{ "aaabaab" | strings.Count "a" }} → 5
{{ "aaabaab" | strings.Count "aa" }} → 2
{{ "aaabaab" | strings.Count "aaa" }} → 1
{{ "aaabaab" | strings.Count "" }} → 8