7x31/the-way-to-go_ZH_CN
1
0
Fork 0
mirror of https://github.com/unknwon/the-way-to-go_ZH_CN.git synced 2025-08-12 03:34:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

Update 09.2.md: 修复代码缩减问题 (#810)

Browse Source 
Co-authored-by: qiujinfeng <qiujinfeng@qianxin.com>
This commit is contained in:
邱锦锋
2021-10-23 11:47:34 +08:00
committed by GitHub
parent 28299b8bf8
commit 684ee99fcc
1 changed files with 6 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
eBook/09.2.md
View File

@@ -22,19 +22,21 @@ ok, _ := regexp.MatchString(pat, searchIn)
```go
package main
import (
"fmt"
"regexp"
"strconv"
)
func main() {
//目标字符串
searchIn := "John: 2578.34 William: 4567.23 Steve: 5632.18"
pat := "[0-9]+.[0-9]+" //正则
f := func(s string) string{
f := func(s string) string {
v, _ := strconv.ParseFloat(s, 32)
return strconv.FormatFloat(v * 2, 'f', 2, 32)
return strconv.FormatFloat(v*2, 'f', 2, 32)
}
if ok, _ := regexp.Match(pat, []byte(searchIn)); ok {