Javascript ÖÐ String.replace( ) µÄÃîÓÃ
<script language="javascript">
<!--
String.prototype.replaceAll = stringReplaceAll;
function stringReplaceAll(AFindText,ARepText){
raRegExp = new RegExp(AFindText,"g");
return this.replace(raRegExp,ARepText)
}
var content = "%sfasf%sfd%asdfsadf%1111%"
// °Ñ ËùÓÐµÄ % Ìæ»»Îª #
document.write(content.replaceAll("%","#"));
//-->
</script>
String.replace ( ) ¼ò½é
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Code:
string.replace (regexp, replace ment)
regexp £ºÄúÒªÖ´ÐÐÌæ»»²Ù×÷µÄÕýÔò±í´ïʽ£¬Èç¹û´«ÈëµÄÊÇÒ»¸ö×Ö·û´®£¬ÄǾͻᵱ×÷ÆÕͨ×Ö·ûÀ´´¦Àí£¬²¢ÇÒÖ»»áÖ´ÐÐÒ»´ÎÌæ»»²Ù×÷£»Èç¹ûÊÇÕýÔò±í´ïʽ£¬²¢ÇÒ´øÓÐ global (g) ÐÞÊηû£¬Ôò»áÌæ»»ËùÓгöÏÖµÄÄ¿±ê×Ö·û£¬·ñÔò£¬½«Ö»Ö´ÐÐÒ»´ÎÌæ»»²Ù×÷¡£
replace ment £ºÄúÒªÌæ»»³ÉµÄ×Ö·û¡£
·µ»ØÖµÊÇÖ´ÐÐÌæ»»²Ù×÷ºóµÄ×Ö·û´®¡£
String.replace ( ) µÄ¼òµ¥Ó÷¨
Code:
var text = "javascript ·Ç³£Ç¿´ó £¡";
text.replace (/javascript /i, "JavaScript ");
// ·µ»Ø£ºJavaScript ·Ç³£Ç¿´ó £¡
String.replace ( ) Ìæ»»ËùÓгöÏÖµÄÄ¿±ê×Ö·û
Code:
var text= "javascript ·Ç³£Ç¿´ó £¡JAVASCRIPT ÊÇÎÒ×îϲ»¶µÄÒ»ÃÅÓïÑÔ £¡";
text.replace (/javascript /ig, "JavaScript ");
// ·µ»Ø£ºJavaScript ·Ç³£Ç¿´ó £¡JavaScript ÊÇÎÒ×îϲ»¶µÄÒ»ÃÅÓïÑÔ £¡
String.replace ( ) ʵÏÖµ÷»»Î»ÖÃ
Code:
var name= "Doe, John";
name.replace (/(\w+)\s*,\s*(\w+)/, "$2 $1");
// ·µ»Ø£ºJohn Doe
String.replace ( ) ʵÏÖ½«ËùÓÐË«ÒýºÅ°üº¬µÄ×Ö·ûÌæ»»³ÉÖÐÀ¨ºÅ°üº¬µÄ×Ö·û
Code:
var text = '"JavaScript " ·Ç³£Ç¿´ó£¡';
text.replace (/"([^"]*)"/g, "[$1]");
// ·µ»Ø£º[JavaScript ] ·Ç³£Ç¿´ó£¡
String.replace ( ) ½«ËùÓÐ×Ö·ûÊ××Öĸ´óд
Code:
var text = 'a journey of a thousand miles begins with single step.';
text.replace (/\b\w+\b/g, function(word) {
return word.substring(0,1).toUpperCase( ) +
 
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