kleingrep/regex/example_test.go

package regex_test

import (
	"fmt"

	"gitea.twomorecents.org/Rockingcool/kleingrep/regex"
)

func ExampleReg_Find() {
	regexStr := "b|a"
	regexComp := regex.MustCompile(regexStr)

	match, _ := regexComp.Find("banana")
	fmt.Println(match.String())

	// Output: 0	1
}

func ExampleReg_FindAll() {
	regexStr := "b|a"
	regexComp := regex.MustCompile(regexStr)

	matches := regexComp.FindAll("banana")
	for _, group := range matches {
		fmt.Println(group.String())
	}

	// Output: 0	1
	// 1	2
	// 3	4
	// 5	6
}

func ExampleReg_FindString() {
	regexStr := `\d+`
	regexComp := regex.MustCompile(regexStr)

	matchStr := regexComp.FindString("The year of our lord, 2025")
	fmt.Println(matchStr)
	// Output: 2025
}

func ExampleReg_FindSubmatch() {
	regexStr := `(\d)\.(\d)(\d)`
	regexComp := regex.MustCompile(regexStr)

	match, _ := regexComp.FindSubmatch("3.14")
	fmt.Println(match[0])
	fmt.Println(match[1])
	fmt.Println(match[2])
	// Output: 0	4
	// 0	1
	// 2	3
}