6.2.1 fmt包

Sprintf,Sscanf

6.2.2 strconv包

Itoa,Atoi
Format,Parse
Contains,Count,Index,Replace
Repeat
HasPrefix,HasSuffix
EqualFold,ToLower,ToUpper
Fields,Split
Trim

*空白字符包括'\t', '\n', '\v', '\f', '\r', ' ', U+0085 (NEL), U+00A0 (NBSP).


RuneCount
Valid
FullRune