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javascript复习:RegExp

[javascript]  
var patt1=new RegExp("e");  
document.write(patt1.test("The best things in life are free"));  
[javascript]  
var patt1=new RegExp("e");  
document.write(patt1.exec("The best things in life are free"));  
[javascript]  
var patt1=new RegExp("e","g");  
  
do  
{  
result=patt1.exec("The best things in life are free");  
document.write(result);  
}  
while (result!=null)  
[javascript]  
var patt1=new RegExp("e");  
document.write(patt1.test("The best things in life are free"));  
patt1.compile("d");  
document.write(patt1.test("The best things in life are free"));  
[javascript] 
var str = "Visit W3School";  
var patt1 = /w3school/i;  
var patt2 = new RegExp("w3school","i")  
document.write(str.match(patt1));  
[javascript]  
var str="Is this all there is?";  
var patt1=/is/gi;  
document.write(str.match(patt1));  
[javascript]  
var str="Is this all there is?";  
var patt1=/[a-h]/g;  
var patt2=new RegExp("[a-h]","g")  
document.write(str.match(patt1));  
[javascript]  
var str="Is this all there is?";  
var patt1=/[^a-h]/g;  
document.write(str.match(patt1));  
[javascript]  
var str="Give 100%!";   
var patt1=/\w/g;  
document.write(str.match(patt1));  
[javascript]  
var str="Give 100%!";   
var patt1=/\d/g;  
document.write(str.match(patt1));  
[javascript]  
var str="Visit W3School.\n Learn JavaScript.";   
var patt1=/\n/g;  
document.write(str.search(patt1));  
[javascript] 
var str="1, 100 or 1000?";   
var patt1=/10?/g;  
document.write(str.match(patt1));  
[javascript]  
var str="100, 1000 or 10000?";  
var patt1=/\d{4}/g;   
document.write(str.match(patt1));  
[javascript]  
var str="Is this all there is";  
var patt1=/is(?= all)/;  
document.write(str.match(patt1));  
 
补充:web前端 , JavaScript ,
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