euclidean-tsp TSPLIB input substitution steps With decimals: [1-9]([0-9]+)? [1-9][0-9]*.[0-9]+[ ] ,[1-9][0-9]*.[0-9]+ Without decimals: remove indices with multiline tool edit mode in intellij [1-9]([0-9]+)? ([1-9]([0-9]+)?).0 ,[ ]*([1-9]([0-9]+)?).0