regex - Regular Expression for Benchmark calculations in Python -

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i trying write regular expression capture latency of size 1 (i.e. 1.15). using following regular expression: (?!1\s+)([\d.]+)

# osu mpi latency test v4.4.1 # size          latency (us) 0                       1.11 1                       1.15 2                       1.14 4                       1.14 8                       1.14 16                      1.16 32                      1.18 64                      1.22 128                     1.31 256                     1.83 512                     1.95 1024                    2.28 2048                    2.79 4096                    3.20 8192                    4.53 16384                   6.96 32768                  10.17 65536                  15.63 131072                 26.01 262144                 46.70 524288                 88.15 1048576               171.87 2097152               339.42 4194304               668.69

i expecting 306 values end 293. not sure if regular expression written incorrectly. size of text file huge (306 tables similar above) , hence trying find simpler way of improving this.

actually regex capturing 1 weird.

for grabbing latency 1 only, can use:

^1\s+([\d.]+)$

working demo

enter image description here


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