regex check for numbers only js
var ticket = "11122";
var reg = new RegExp('^[0-9]*$');
if (reg.test(ticket)==false) {
alert('Only Numeric Ticket ID is allowed.');
return false;
}regex check for numbers only js
var ticket = "11122";
var reg = new RegExp('^[0-9]*$');
if (reg.test(ticket)==false) {
alert('Only Numeric Ticket ID is allowed.');
return false;
}regex match any number
For matching an integer number of one single char/digit, specify:
[0-9]
But for matching any number of more than one char/digit; add "+":
[0-9]+
Example for matching hour with minutes of HH:MM format in a file:
grep "[0-9]+:[0-9]+" file.txtCopyright © 2021 Codeinu
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