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|
package model
import (
"regexp"
"strconv"
"strings"
)
func ParseCardLine(s string) (prefix string, number uint64, bonus string) {
raw := strings.TrimSpace(s)
if raw == "" {
return "", 0, ""
}
if m := regexp.MustCompile(`(\d{3,})\D*$`).FindStringSubmatch(raw); len(m) == 2 {
if n, err := strconv.ParseUint(m[1], 10, 64); err == nil {
number = n
}
}
tokRe := regexp.MustCompile(`[A-Za-z][A-Za-z'/-]*`)
toks := tokRe.FindAllString(s, -1)
for _, t := range toks {
u := strings.ToUpper(t)
if len(u) >= 2 && len(u) <= 3 && regexp.MustCompile(`^[A-Z]{2,3}$`).MatchString(u) {
prefix = u
break
}
}
words := []string{}
for _, t := range toks {
if strings.ToUpper(t) == prefix {
continue
}
words = append(words, t)
}
if len(words) > 0 {
bonus = strings.Join(words, " ")
}
if bonus == "" && prefix != "" {
bonus = prefix
}
return
}
func FirstNonEmpty(a, b string) string {
if strings.TrimSpace(a) != "" {
return a
}
return b
}
|
