regex-japanese.txt

Regex for matching ALL Japanese common & uncommon Kanji (4e00 – 9fcf) ~ The Big Kahuna!
([一-龯])

Regex for matching Hirgana or Katakana (*)
([ぁ-んァ-ン])

Regex for matching Non-Hirgana or Non-Katakana
([^ぁ-んァ-ン])

Regex for matching Hirgana or Katakana or basic punctuation (、。’)
([ぁ-んァ-ン\w])

Regex for matching Hirgana or Katakana and random other characters
([ぁ-んァ-ン！：／])

Regex for matching Hirgana
([ぁ-ん])

Regex for matching full-width Katakana (zenkaku 全角)
([ァ-ン])

Regex for matching half-width Katakana (hankaku 半角)
([ｧ-ﾝﾞﾟ])

Regex for matching full-width Numbers (zenkaku 全角)
([０-９])

Regex for matching full-width Letters (zenkaku 全角)
([Ａ-ｚ])

Regex for matching Hiragana codespace characters (includes non phonetic characters)
([ぁ-ゞ])

Regex for matching full-width (zenkaku) Katakana codespace characters (includes non phonetic characters)
([ァ-ヶ])

Regex for matching half-width (hankaku) Katakana codespace characters (this is an old character set so the order is inconsistent with the hiragana)
([ｦ-ﾟ])

Regex for matching Japanese Post Codes
/^\d{3}-\d{4}$/
/^\d{3}-\d{4}$|^\d{3}-\d{2}$|^\d{3}$/

Regex for matching Japanese mobile phone numbers (keitai bangou)
/^\d{3}-\d{4}-\d{4}$|^\d{11}$/
/^0\d0-\d{4}-\d{4}$/

Regex for matching Japanese fixed line phone numbers
/^[0-9-]{6,9}$|^[0-9-]{12}$/
/^\d{1,4}-\d{4}$|^\d{2,5}-\d{1,4}-\d{4}$/

Note: Katakana without mentioning "full-width" or "half-width" means "full-width katakana".

good

The kana ones don't range their unicode blocks.

While there's few who'll ever need to match the rarer ones, that also excludes combining characters from normalized strings, the chōonpu and the nakaguro. So, full one:

([ぁ-ゟ゠-ヿ])

Also, note that the "Big Kahuna" for kanji doesn't match the iteration mark 々.