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  1. var re = /^(\d+(?:\.\d+)?)\s*([KMB])?$/gm; 
  2. var str = '1234.567K\n1234.567 M\n123K\n12345\n123.67';
  3. var m;
  4.  
  5. while ((m = re.exec(str)) !== null) {
  6.     if (m.index === re.lastIndex) {
  7.         re.lastIndex++;
  8.     }
  9.     print(m[0]);
  10. }
Success #stdin #stdout 0.41s 321920KB
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stdin
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Standard input is empty
stdout
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1234.567K
1234.567 M
123K
12345
123.67
https://ideone.com/6cYmZ8
language:
JavaScript (rhino 1.7.9)
created:
8 years ago
visibility:
public

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