スラグ生成器

function slugify(text, separator = '-') {
  return text
    .normalize('NFD')                   // decompose accented chars
    .replace(/[\u0300-\u036f]/g, '')    // strip diacritics
    .toLowerCase()
    .replace(/[^\w\s-]/g, ' ')          // drop special chars
    .trim()
    .replace(/[\s_-]+/g, separator)     // collapse whitespace → separator

  // slugify('Café au Lait')      → "cafe-au-lait"
  // slugify('Hello World', '_')  → "hello_world"
}

// Node.js alternative using the `slugify` npm package:
// npm install slugify
// const slugify = require('slugify')
// slugify('Hello World', { lower: true, strict: true }) → "hello-world"

import re
import unicodedata

def slugify(text: str, separator: str = '-') -> str:
    """Convert text to a URL-safe slug."""
    text = unicodedata.normalize('NFD', text)
    text = text.encode('ascii', 'ignore').decode('ascii')  # strip non-ASCII
    text = text.lower()
    text = re.sub(r'[^\w\s-]', ' ', text)
    text = text.strip()
    text = re.sub(r'[\s_-]+', separator, text)
    return text

# slugify('Café au Lait')      → "cafe-au-lait"
# slugify('Hello World', '_')  → "hello_world"

# Alternative: python-slugify (pip install python-slugify)
# from slugify import slugify
# slugify('Café au Lait')  → "cafe-au-lait"

package main

import (
	"regexp"
	"strings"
	"unicode"

	"golang.org/x/text/unicode/norm"
	"golang.org/x/text/transform"
	"golang.org/x/text/runes"
)

func slugify(text string) string {
	// NFD normalize and strip diacritics
	t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
	result, _, _ := transform.String(t, text)

	result = strings.ToLower(result)
	re := regexp.MustCompile(`[^\w\s-]+`)
	result = re.ReplaceAllString(result, " ")
	result = strings.TrimSpace(result)
	re = regexp.MustCompile(`[\s_-]+`)
	result = re.ReplaceAllString(result, "-")
	return result
}

// slugify("Café au Lait") → "cafe-au-lait"
// slugify("Hello World")  → "hello-world"

function slugify(string $text, string $separator = '-'): string {
    // Transliterate non-ASCII characters
    $text = transliterator_transliterate(
        'Any-Latin; Latin-ASCII; Lower()', $text
    );
    // Remove anything that is not a word char, space, or hyphen
    $text = preg_replace('/[^\w\s-]/', ' ', $text);
    $text = trim($text);
    $text = preg_replace('/[\s_-]+/', $separator, $text);
    return $text;
}

// slugify('Café au Lait')      → "cafe-au-lait"
// slugify('Hello World', '_')  → "hello_world"