regular expression in javascript which allows backspace

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regular expression in javascript which allows backspace

rated 0 times [ 56] [ 5] / answers: 1 / hits: 27569 / 12 Years ago, wed, january 23, 2013, 12:00:00

My regular expression which allows characters, numbers, dot and underscore is

var numericReg = /^[a-zA-Z0-9._]+$/;

How could i allow backspace in this reg ex.?

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Answers

80

The optimal solution for this problem is to check the value of textbox >0 before validating. This will help to solve error showing while pressing backspace in an empty textbox..!!

[#80691] Tuesday, January 22, 2013, 12 Years [reply] [flag answer]

answered 12 Years ago

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