Regular Expressions 101

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Regular Expression
ECMAScript (JavaScript)

/
^-?\d+\.?(\d+)?([eE][+-]?\d+)?$
/
gm
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Description

As 'number' is not implemented by all browsers, you can check your <input type="text" /> value with this RegExp.

Submitted by Ann MB - 3 years ago (Last modified 3 years ago)