Merge pull request mouredev#2902 from hozlucas28/Solution-16-Go

#16 - Go

Author: Roswell468

Roadmap/16 - EXPRESIONES REGULARES/go/hozlucas28.go

@@ -0,0 +1,82 @@
+package main
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+type RegularExpressions struct {
+	email       *regexp.Regexp
+	phoneNumber *regexp.Regexp
+	url         *regexp.Regexp
+}
+
+func main() {
+	/*
+		Regular expressions...
+	*/
+
+	fmt.Println("Regular expressions...")
+
+	const text string = "¡Hola Mundo! Hoy es 15/04/2024. Quedan 263 días para terminar el año 2024."
+
+	var regularExpression *regexp.Regexp = regexp.MustCompile(`[0-9]`)
+	var numbers string = strings.Join(regularExpression.FindAllString(text, -1), "")
+
+	fmt.Printf("\n`text` = '%s'\n", text)
+	fmt.Printf("\nNumbers inside `text` --> %s\n", numbers)
+
+	fmt.Println("\n# ---------------------------------------------------------------------------------- #")
+
+	/*
+		Additional challenge...
+	*/
+
+	fmt.Println("\nAdditional challenge...")
+
+	var regularExpressions RegularExpressions = RegularExpressions{
+		email:       regexp.MustCompile(`^[a-zA-Z0-9]*@[a-zA-Z0-9]*\.[a-zA-Z]{2,3}$`),
+		phoneNumber: regexp.MustCompile(`^\+[0-9]{1,4} [0-9]{4} [0-9]{4}$`),
+		url:         regexp.MustCompile(`^https?://([a-zA-Z0-9]*\.)?[a-zA-Z0-9]*\.[a-zA-Z]{2,3}/?$`),
+	}
+
+	var emails []string = []string{"[email protected]",
+		"[email protected]",
+		"[email protected]",
+		"hozlucas28@melí.com",
+		"[email protected]",
+	}
+
+	var phoneNumbers []string = []string{"+12 3456 7890",
+		"+1 1234 5890",
+		"+1234 1234 5690",
+		"+123456789",
+		"+123456789 1234 5678",
+	}
+
+	var urls []string = []string{"https://www.example.cóm",
+		"http://example.com",
+		"https://subdomain.example.com",
+		"http://www.example.c2.uk",
+		"https://www.example.org",
+	}
+
+	fmt.Println("\nEmails...")
+	for _, email := range emails {
+		var isValid bool = regularExpressions.email.MatchString(email)
+		fmt.Printf("Is '%s' a valid email? %t\n", email, isValid)
+	}
+
+	fmt.Println("\nPhone numbers...")
+	for _, phoneNumber := range phoneNumbers {
+		var isValid bool = regularExpressions.phoneNumber.MatchString(phoneNumber)
+		fmt.Printf("Is '%s' a valid phone number? %t\n", phoneNumber, isValid)
+	}
+
+	fmt.Println("\nUrls...")
+	for _, url := range urls {
+		var isValid bool = regularExpressions.url.MatchString(url)
+		fmt.Printf("Is '%s' a valid url? %t\n", url, isValid)
+	}
+}