js intercept or replace the number implementation method in a string

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

Replace: name.replace(/[/d]+/,num); //num is the numeric variable you need to replace

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

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

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