Rigorous rule matching
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function
checkPhone(){
var
phone = document.getElementById(‘phone’
).value;
if
(! (/ ^ [1], [[3] [0-9]) | ([4] [5-9]) | ([5] [0, 3, 5-9]) | ([6] [5, 6]) | ([7] [0 to 8]) | ([8] [0-9]) | ([9],8,9 [1])) [0-9] {8} $/
. The test (phone))) {alert (
“Wrong phone number, please fill in again “);
return
false
;
}}
}}
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Simple matching
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function
checkPhone(){
var
phone = document.getElementById(‘phone’
).value;
if
(! (/ ^ [1], [3-9]) [0-9] {9} $/
. The test (phone))) {alert (
“Wrong phone number. Please fill it out again.”
);
return
false
; }}
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