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  1.    function isValidRE(str) {
  2.        var isValid=true;
  3.        try {
  4.           var re = new RegExp(str, "g");
  5.        } catch(err) {
  6.           isValid=false;
  7.        }
  8.        return isValid;
  9.     }
  10.  
  11.     print(isValidRE("\d"));
  12.     print(isValidRE("(\d"));
Success #stdin #stdout 0.44s 381888KB
comments (?)
stdin
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Standard input is empty
stdout
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true
false
https://ideone.com/9z2UKW
language:
JavaScript (rhino 1.7.9)
created:
10 years ago
visibility:
public

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