validations

fnkit/validations

A Go module for common data validation and type conversion utilities. Import as:

import "github.com/kishankumarhs/fnkit/validations"

Validators

• IsEmail(s string) bool — Validates email addresses.
• IsURL(s string) bool — Validates URLs.
• IsUUID(s string) bool — Validates UUIDs (v1-v5).
• IsAlpha(s string) bool — Letters only (Unicode).
• IsNumeric(s string) bool — Digits only (Unicode).
• IsAlnum(s string) bool — Letters or digits (Unicode).
• IsHex(s string) bool — Hexadecimal string.
• IsIP(s string) bool — IPv4 or IPv6 address.
• IsLower(s string) bool — All letters lowercase.
• IsUpper(s string) bool — All letters uppercase.
• IsASCII(s string) bool — All runes are ASCII.
• IsPrintable(s string) bool — All runes are printable.
• IsPhone(s string) bool — Simple phone number check.
• IsCreditCard(s string) bool — Credit card number (Luhn check).

Type Conversion

• ToString(v any) string — Converts any value to string.
• ToInt(v any) (int, bool) — Converts to int if possible.
• ToFloat64(v any) (float64, bool) — Converts to float64 if possible.

Example Usage

import "github.com/kishankumarhs/fnkit/validations"

validations.IsEmail("foo@bar.com") // true
validations.IsUUID("123e4567-e89b-12d3-a456-426614174000") // true
validations.ToInt("42") // 42, true

Tests

All functions are covered by unit tests in validate_test.go.

MIT License