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  1. telephone = '1234abc5678';
  2. regex = /^[\s()+-]*([0-9][\s()+-]*){6,20}$/;
  3. if (telephone.match(regex))
  4. print("Telephone number is valid");
  5. else
  6. print("Telephone number is not valid");
  7.  
  8. telephone = '123 456 7890';
  9. if (telephone.match(regex))
  10. print("Telephone number is valid");
  11. else
  12. print("Telephone number is not valid");
Success #stdin #stdout 0.41s 381888KB
stdin
Standard input is empty
stdout
Telephone number is not valid
Telephone number is valid