js interception or replacement of numbers in a string implementation method

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When operating in jstable, we often need to get or modify the subscript in name, such as: name="cust[1]/custName ";

Replacement: name.replace(/[\d]+/,num); //num is the number you need to replace Variable

gets: name.match(/[\d]+/).

Get multiple: name.match(/[\d]+/g).

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