How to remove all non numbers using Apex in Salesforce?

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How to remove all non numbers using Apex in Salesforce?

InfallibleTechie Admin
Sample code:


  1. String invalidNumbers = ‘[^0-9]’;  
  2. String str = ‘abcd123456789xyz’;  
  3. system.debug( ‘Only numbers – ‘ + str.replaceAll( invalidNumbers, ” ) );  



Output:

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