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For example, Sina Weibo Weibo input box has a count of the number of words entered, its rule is: Chinese and Chinese punctuation count 1 words, English and other symbols count 0.5 words. Less than 1 characters Count 1. You can go to the micro-blog to experience the calculation method.
Golang can be judged using the methods of regular and Unicode packages.
The following function Getstrlength returns the word count of the input string, each Chinese and Chinese punctuation count 1 words, English and other characters calculated half the word count, less than 1 words count 1.
// GetStrLength 返回输入的字符串的字数,汉字和中文标点算 1 个字数,英文和其他字符 2 个算 1 个字数,不足 1 个算 1个func GetStrLength(str string) float64 {var total float64 reg := regexp.MustCompile("/·|,|。|《|》|‘|’|”|“|;|:|【|】|?|(|)|、/") for _, r := range str {if unicode.Is(unicode.Scripts["Han"], r) || reg.Match([]byte(string(r))) {total = total + 1} else {total = total + 0.5}} return math.Ceil(total)}
Original: https://blog.tanteng.me/2018/05/golang-str-length/
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