Bugs item #1186, was opened at 2004-12-10 23:11
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http://rubyforge.org/tracker/?func=detail&atid=1698&aid=1186&group_id=426

Category: Core
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Kazuhiro Saga (sagak)
Assigned to: Nobody (None)
Summary: String#sub¤ÎÃÖ´¹Ê¸»úÎó¤Ë¤Æ¥¨¥¹¥±¡¼¥×¤ÎÆ°ºî¤¬¤ª¤«¤·¤¤

Initial Comment:
¤Ï¤¸¤á¤Þ¤·¤Æ¡£
º´²ì¤È¿½¤·¤Þ¤¹¡£
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¡ÊɬÍפʤµ¤½¤¦¤Ç¤·¤¿¤¬¡¢²¿¤È¤Ê¤¯rubyforge¤Î¥¢¥«¥¦¥ó¥È¤âºî¤Ã¤Æ¤·¤Þ¤¤¤Þ¤·¤¿¡Ë

¤µ¤Ã¤½¤¯¤Ç¤¹¤¬¡¢\¤¬Ï¢Â³¤·¤¿¤È¤­¤Ë¡¢ÃÖ´¹Ê¸»úÎó¤Ë¤ª¤±¤ë\&¡¢\1¤Ê¤É¤ÎÆü쵭¹æ¤ÎÆ°ºî¤¬¤ª¤«¤·¤¤¤è¤¦¤Ç¤¹¡£²¼µ­¤Î¼Â¹ÔÎã¤Î¤¦¤Á¡¢¡ú¤ò¤Ä¤±¤¿¤â¤Î¤ÎŸ³«¤Ëµ¿Ì䤬¤¢¤ê¤Þ¤¹¡£

> puts 'abcde'.sub(/c/, '\&')
abcde

> puts 'abcde'.sub(/c/, '\&')
abcde

> puts 'abcde'.sub(/c/, '\\&')    ¡ú ab\cde ¤Ë¤Ê¤ë¤Ù¤­¤Ç¤Ï¡©
ab\&de

> puts 'abcde'.sub(/c/, '\\&')   ¡ú ab\cde ¤Ë¤Ê¤ë¤Ù¤­¤Ç¤Ï¡©
ab\&de

> puts 'abcde'.sub(/c/, '\\\&')  ¡ú ab\cde ¤Ë¤Ê¤ë¤Ù¤­¤Ç¤Ï¡©
ab\cde

ruby 1.8.2 (2004-11-06) [i386-mswin32]
Windows2000


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You can respond by visiting: 
http://rubyforge.org/tracker/?func=detail&atid=1698&aid=1186&group_id=426