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10.3 Àµµ¬É½¸½¤Ç¸¡º÷¤¹¤ë

Àµµ¬É½¸½¤Î¸¡º÷¤ÏÁȤ߹þ¤ß¥Þ¥¯¥íregexp¤Ç¹Ô¤¤¤Þ¤¹¡£

regexp(string, regexp, opt replacement)

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replacement¤ò¾Êά¤¹¤ë¤È¡¢regexp¤Ïstring¤ÎÃæ¤Ç regexp¤ËºÇ½é¤Ë¥Þ¥Ã¥Á¤·¤¿Éôʬ¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤ËŸ³«¤µ¤ì¤Þ¤¹¡£ regexp¤¬string¤Î¤É¤³¤Ë¤â¥Þ¥Ã¥Á¤·¤Ê¤¤¾ì¹ç¤Ï-1¤ËŸ³«¤µ¤ì¤Þ¤¹¡£

regexp(`GNUs not Unix', `\<[a-z]\w+')
⇒5
regexp(`GNUs not Unix', `\<Q\w*')
⇒-1

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regexp(`GNUs not Unix', `\w\(\w+\)$', `*** \& *** \1 ***')
⇒*** Unix *** nix ***

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