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Author SHA1 Message Date
dudaodong
90e5a0bfb2 feat: add RegexMatchAllGroups 2024-09-06 14:19:57 +08:00
dudaodong
93be25920f feat: add TemplateReplace 2024-09-06 11:04:54 +08:00
5 changed files with 287 additions and 1 deletions

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@@ -66,6 +66,9 @@ import (
- [Ellipsis](#Ellipsis)
- [Shuffle](#Shuffle)
- [Rotate](#Rotate)
- [TemplateReplace](#TemplateReplace)
- [RegexMatchAllGroups](#RegexMatchAllGroups)
<div STYLE="page-break-after: always;"></div>
@@ -1658,4 +1661,71 @@ func main() {
// oHell
// loHel
}
```
### <span id="TemplateReplace">TemplateReplace</span>
<p>将模板字符串中的占位符替换为数据映射中的相应值。占位符括在花括号中,例如 {key}。例如模板字符串为“Hello, {name}!”,数据映射为{"name": "world"}结果将为“Hello, world!”。</p>
<b>函数签名:</b>
```go
func TemplateReplace(template string, data map[string]string) string
```
<b>示例:<span style="float:right;display:inline-block;">[运行]()</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/strutil"
)
func main() {
template := `Hello, my name is {name}, I'm {age} years old.`
data := map[string]string{
"name": "Bob",
"age": "20",
}
result := strutil.TemplateReplace(template, data)
fmt.Println(result)
// Output:
// Hello, my name is Bob, I'm 20 years old.
}
```
### <span id="RegexMatchAllGroups">RegexMatchAllGroups</span>
<p>使用正则表达式匹配字符串中的所有子组并返回结果。</p>
<b>函数签名:</b>
```go
func RegexMatchAllGroups(pattern, str string) [][]string
```
<b>示例:<span style="float:right;display:inline-block;">[Run]()</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/strutil"
)
func main() {
pattern := `(\w+\.+\w+)@(\w+)\.(\w+)`
str := "Emails: john.doe@example.com and jane.doe@example.com"
result := strutil.RegexMatchAllGroups(pattern, str)
fmt.Println(result[0])
fmt.Println(result[1])
// Output:
// [john.doe@example.com john.doe example com]
// [jane.doe@example.com jane.doe example com]
}
```

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@@ -66,6 +66,8 @@ import (
- [Ellipsis](#Ellipsis)
- [Shuffle](#Shuffle)
- [Rotate](#Rotate)
- [TemplateReplace](#TemplateReplace)
- [RegexMatchAllGroups](#RegexMatchAllGroups)
<div STYLE="page-break-after: always;"></div>
@@ -1659,4 +1661,71 @@ func main() {
// Hello
// oHell
// loHel
}
}
```
### <span id="TemplateReplace">TemplateReplace</span>
<p>Replaces the placeholders in the template string with the corresponding values in the data map.The placeholders are enclosed in curly braces, e.g. {key}. for example, the template string is "Hello, {name}!", and the data map is {"name": "world"}, the result will be "Hello, world!".</p>
<b>Signature:</b>
```go
func TemplateReplace(template string, data map[string]string string
```
<b>example:<span style="float:right;display:inline-block;">[Run]()</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/strutil"
)
func main() {
template := `Hello, my name is {name}, I'm {age} years old.`
data := map[string]string{
"name": "Bob",
"age": "20",
}
result := strutil.TemplateReplace(template, data)
fmt.Println(result)
// Output:
// Hello, my name is Bob, I'm 20 years old.
}
```
### <span id="RegexMatchAllGroups">RegexMatchAllGroups</span>
<p>Matches all subgroups in a string using a regular expression and returns the result.</p>
<b>Signature:</b>
```go
func RegexMatchAllGroups(pattern, str string) [][]string
```
<b>example:<span style="float:right;display:inline-block;">[Run]()</span></b>
```go
import (
"fmt"
"github.com/duke-git/lancet/v2/strutil"
)
func main() {
pattern := `(\w+\.+\w+)@(\w+)\.(\w+)`
str := "Emails: john.doe@example.com and jane.doe@example.com"
result := strutil.RegexMatchAllGroups(pattern, str)
fmt.Println(result[0])
fmt.Println(result[1])
// Output:
// [john.doe@example.com john.doe example com]
// [jane.doe@example.com jane.doe example com]
}
```

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@@ -704,3 +704,34 @@ func Rotate(str string, shift int) string {
return sb.String()
}
// TemplateReplace replaces the placeholders in the template string with the corresponding values in the data map.
// The placeholders are enclosed in curly braces, e.g. {key}.
// for example, the template string is "Hello, {name}!", and the data map is {"name": "world"},
// the result will be "Hello, world!".
// Play: todo
func TemplateReplace(template string, data map[string]string) string {
re := regexp.MustCompile(`\{(\w+)\}`)
result := re.ReplaceAllStringFunc(template, func(s string) string {
key := strings.Trim(s, "{}")
if val, ok := data[key]; ok {
return val
}
return s
})
result = strings.ReplaceAll(result, "{{", "{")
result = strings.ReplaceAll(result, "}}", "}")
return result
}
// RegexMatchAllGroups Matches all subgroups in a string using a regular expression and returns the result.
// Play: todo
func RegexMatchAllGroups(pattern, str string) [][]string {
re := regexp.MustCompile(pattern)
matches := re.FindAllStringSubmatch(str, -1)
return matches
}

View File

@@ -724,3 +724,32 @@ func ExampleRotate() {
// oHell
// loHel
}
func ExampleTemplateReplace() {
template := `Hello, my name is {name}, I'm {age} years old.`
data := map[string]string{
"name": "Bob",
"age": "20",
}
result := TemplateReplace(template, data)
fmt.Println(result)
// Output:
// Hello, my name is Bob, I'm 20 years old.
}
func ExampleRegexMatchAllGroups() {
pattern := `(\w+\.+\w+)@(\w+)\.(\w+)`
str := "Emails: john.doe@example.com and jane.doe@example.com"
result := RegexMatchAllGroups(pattern, str)
fmt.Println(result[0])
fmt.Println(result[1])
// Output:
// [john.doe@example.com john.doe example com]
// [jane.doe@example.com jane.doe example com]
}

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@@ -766,3 +766,90 @@ func TestRotate(t *testing.T) {
assert.Equal(tt.expected, Rotate(tt.input, tt.shift))
}
}
func TestTemplateReplace(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestTemplateReplace")
t.Run("basic", func(t *testing.T) {
template := `Hello, my name is {name}, I'm {age} years old.`
data := map[string]string{
"name": "Bob",
"age": "20",
}
expected := `Hello, my name is Bob, I'm 20 years old.`
result := TemplateReplace(template, data)
assert.Equal(expected, result)
})
t.Run("not found", func(t *testing.T) {
template := `Hello, my name is {name}, I'm {age} years old.`
data := map[string]string{
"name": "Bob",
}
expected := `Hello, my name is Bob, I'm {age} years old.`
result := TemplateReplace(template, data)
assert.Equal(expected, result)
})
t.Run("brackets", func(t *testing.T) {
template := `Hello, my name is {name}, I'm {{age}} years old.`
data := map[string]string{
"name": "Bob",
"age": "20",
}
expected := `Hello, my name is Bob, I'm {20} years old.`
result := TemplateReplace(template, data)
assert.Equal(expected, result)
})
}
func TestRegexMatchAllGroups(t *testing.T) {
t.Parallel()
assert := internal.NewAssert(t, "TestRegexMatchAllGroups")
tests := []struct {
pattern string
str string
expected [][]string
}{
{
pattern: `(\w+\.+\w+)@(\w+)\.(\w+)`,
str: "Emails: john.doe@example.com and jane.doe@example.com",
expected: [][]string{{"john.doe@example.com", "john.doe", "example", "com"}, {"jane.doe@example.com", "jane.doe", "example", "com"}},
},
{
pattern: `(\d+)`,
str: "No numbers here!",
expected: nil,
},
{
pattern: `(\d{3})-(\d{2})-(\d{4})`,
str: "My number is 123-45-6789",
expected: [][]string{{"123-45-6789", "123", "45", "6789"}},
},
{
pattern: `(\w+)\s(\d+)`,
str: "Item A 123, Item B 456",
expected: [][]string{{"A 123", "A", "123"}, {"B 456", "B", "456"}},
},
{
pattern: `(\d{2})-(\d{2})-(\d{4})`,
str: "Dates: 01-01-2020, 12-31-1999",
expected: [][]string{{"01-01-2020", "01", "01", "2020"}, {"12-31-1999", "12", "31", "1999"}},
},
}
for _, tt := range tests {
result := RegexMatchAllGroups(tt.pattern, tt.str)
assert.Equal(tt.expected, result)
}
}