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@kon_yu

全角英数　スペースを半角にする　S-JIS 、UTF-8対応

Last updated at Posted at 2012-06-21

require 'nkf'
str="　unko うんこ！？ｌｑｒｔｖ"

sjisの場合

res=NKF::nkf('-SsZ0',str)

utf-8の場合

res=NKF::nkf('-WwZ1',str)

output
res =>" unko うんこ!?lqrtv"
参考サイト
http://doc.ruby-lang.org/ja/1.9.2/class/NKF.html

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