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Python3: 文字列がカタカナかを判定する

Last updated at Posted at 2022-04-19

Ubuntu でのライブラリーのインストール

sudo pip3 install regex
katakana_hantei.py
#! /usr/bin/python
#
#	katakana_hantei.py
#
#					Apr/19/2022
# ------------------------------------------------------------------
import sys
import regex
# ------------------------------------------------------------------
def katakana_hantei_proc(word_in):
	rvalue = False
	changed = regex.findall("\p{Katakana}+", word_in)
	if 0 < len(changed):
		if word_in == changed[0]:
			rvalue = True
#
	return rvalue
#
# ------------------------------------------------------------------
for word_in in ["ニワトリ","にわとり","","庭の鶏","庭のトリ"]:
	change_word_in = regex.findall("\p{Katakana}+", word_in)
	hantei = katakana_hantei_proc(word_in)
	print(word_in,hantei)
#
# ------------------------------------------------------------------

実行結果

./katakana_hantei.py 
ニワトリ True
にわとり False
鶏 False
庭の鶏 False
庭のトリ False
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