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Atanu Paul
Phone no
1 Answer(s)      6 years ago
Posted in : JavaScript Questions

I have box where i can only put the number except + . Like +91

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April 23, 2011 at 12:53 PM


<script>
function checkMobileNumber(number){ 
      if(/[^\d ]/.test(number)){
      alert('It should contain numbers [0-9] only!');
      document.getElementById("st").value="";
      return false;
      }
      if(number.substring(0,2)!="91"){
      alert("Number should begin with 91");
      document.getElementById("st").value="";
      return false;
      }
      if (number.length>12){
      alert("Invalid Mobile Number!It cannot exceeds the limit of 12 digits. ");
      document.getElementById("st").value="";
      return false;
    }
    return true;
}
</script>
Enter Mobile Number:&nbsp&nbsp&nbsp<input type="text" id="st" onkeyup="checkMobileNumber(this.value);">









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