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JavaScript form validates phone number via regular expression_javascript tips

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2016-05-16 16:55:321525browse

JavaScript form verifies phone numbers and determines whether an input is a phone number, implemented through regular expressions.

Copy code The code is as follows:

//Check the phone number
function isTel(str ){
var reg=/^([0-9]|[-]) $/g ;
if(str.length<7 || str.length>18){
return false;
}
else{
return reg.exec(str);
}
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