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ÏÂÃæµÄʾÀýÑÝʾÁË replace
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function ReplaceDemo(){
   var r, re;                    //
ÉùÃ÷±äÁ¿¡£
   var ss = "The man hit the ball
with the bat.\n";
   ss += "while the fielder caught
the ball with the glove.";
   re = /The/g;             //
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   r = ss.replace(re,
"A");    //
ÓÃ "A"
Ìæ»» "The"
¡£
   return(r);                   //
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}
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function ReplaceDemo(){
   var r, re;                      //
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   var ss = "The rain in Spain falls
mainly in the plain.";
   re = /(\S+)(\s+)(\S+)/g;        //
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   r = ss.replace(re,
"$3$2$1");   //
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   return(r);                      //
·µ»Ø½á¹û×Ö·û´®¡£
}
ÏÂÃæµÄʾÀý£¨ÔÚ JScript 5.5
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¡£ÒªÏëÖªµÀ¸Ãº¯ÊýÊÇÈçºÎ¹¤×÷µÄ£¬´«µÝÒ»¸ö°üº¬ÊýÖµµÄ×Ö·û´®£¬ÊýÖµºóÒª½ô¸ú "F"
£¨ÀýÈç "Water boils at
212"
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function f2c(s) {
  var test = /(\d+(\.\d*)?)F\b/g;    //
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  return(s.replace
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