Regex for Currency with specific length in javascript

Question

I'm currently using the following regex expression for currency in my input form fields: my requirement is maximum length of input field is 16 digit and after that decimal (.) then two digit. i try this expression but it not working. something wrong with my expression.

^(\d*\.\d{1,2}|\d+){0,16}$

Valid

 //space- if user leave input box as blank 
0
0.9
9999
9999.0
9999.00
9999999999999999.00

Invalid

0.00.
99999999999999999.00
999......000
AB999
$99.00

Note:-Alphabet and symbol will not allowed (only . will allow)

basically i have problem with length, if i remove {0,16} then it works. — ANJYR
– ANJYR, Commented Nov 27, 2014 at 6:04

anubhava · Accepted Answer · 2014-11-27 06:04:14Z

1

You can use this regex:

^\d{0,16}(?:.\d{1,2})?$

Regex Demo

answered Nov 27, 2014 at 6:04

anubhava

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