javascript - Regexp assistance -


i'm not experience regexp , have been struggling match of use cases attempts have made, wondering if suggest match may cover following scenarios. need extract volume i.e. 250ml string.

  • vanilla blossom 250ml body wash
  • vanilla blossom 250 ml body wash
  • vanilla blossom body wash 250ml
  • 250ml vanilla blossom body wash
  • vanilla blossom 20g soap
  • vanilla blossom 20 g soap

thanks

let arr = ['vanilla blossom 250ml body wash',    'vanilla blossom 250 ml body wash',    'vanilla blossom body wash 250ml',    '250ml vanilla blossom body wash',    'vanilla blossom 20g soap',    'vanilla blossom 20 g soap',    'vanilla blossom 20 dag soap',    'vanilla blossom 20dag soap'  ];    let reg = /(?:\d+[ ]{0,1})(?:ml|g)/i;    console.log(arr.map(str => str.match(reg)));


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