Jquery symbol position for phone number

Question

1.00/5 (1 vote)

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I have tried this new code and one problem left how do I make optional plus (+) , like user only can insert in the beginning of the text. Like when you insert
0164+++1594 //false
+0123456789 // true

Google Code Archive - Long-term storage for Google Code Project Hosting.[^]

I have search this but i don't understand i think its similiar to what i want

What I have tried:

I have tried this new code and one problem left how do I make optional plus (+) , like user only can insert in the beginning of the text :-

JavaScript

$("#hpno").on("keypress keyup blur",function (event) {
            //this.value = this.value.replace(/[^0-9\.]/g,'');
     $(this).val($(this).val().replace(/[^\+?0-9]/g,''));
            if ((event.which != 43 || $(this).val().indexOf('+') != -1) && (event.which < 48 || event.which > 57)) {
                event.preventDefault();
            }
        });

Posted 25-Aug-18 23:22pm

Member 13951173

Updated 27-Aug-18 19:11pm

Patrice T

v8

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Comments

Patrice T 26-Aug-18 8:19am

You have already asked the same question 3 times and got answers:
How do I make + only appear once and at the front only like example +01234564789 in regex jquery.[^]
How do I make + character static in front like phone num +6016123456789 by using jquery and regular expression[^]
How do I make like country code +601 or 01 like make country static in the front and don't allow user to insert alphabet.[^]

describe the problem with more details:
-what it does, it shouldn't ?
-what it don't, it should ?
with examples.

Member 13951173 26-Aug-18 22:11pm

This is what I have search and try https://jsfiddle.net/da90nt3c/49/

Like in the text box only:
+60123456789 //true
0123456789 // true
++012345678 //false
012544++++516 // false

Like it just only allow user insert the plus once. But the plus can be optional. But can't have more than one plus

Patrice T 26-Aug-18 22:20pm

Use Improve question to update your question.
So that everyone can pay attention to this information.

Mohibur Rashid 28-Aug-18 0:20am

You did not follow the suggestions you got for your old questions. please follow the answers. It's all there.

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Bryian Tan · Accepted Answer · 2018-08-27T19:12:00

Based on your current and previous posts, I'm guessing, you want the textbox to show only the phone format that matches the regular expression. I don't think the replace approach will work because it will replace the valid phone with empty string. The below code will store the valid input into a temporary variable if the input matches the regular expression. if not match, restore the textbox value with the temporary value.

Here is an example.

HTML

<input type="text" id='txtPhone'>