Regular Expressions 101

Group 1(^| )

1st Alternative^

^start of line

2nd Alternative

the literal (32₁₀ / 40₈ / 20₁₆)

Group 2(\d+|\d+\.\d+)

1st Alternative\d+

\d+a digit, repeated at least once

2nd Alternative\d+\.\d+

\d+a digit, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

Character Class[KMGT]

Kthe literal K (75₁₀ / 113₈ / 4B₁₆) (case sensitive)

Mthe literal M (77₁₀ / 115₈ / 4D₁₆) (case sensitive)

Gthe literal G (71₁₀ / 107₈ / 47₁₆) (case sensitive)

Tthe literal T (84₁₀ / 124₈ / 54₁₆) (case sensitive)

Bthe literal B (66₁₀ / 102₈ / 42₁₆) (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(^| )(\d+|\d+\.\d+)[KMGT]B

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6.6KB 1..3KB 12KB 5G 3.3MB KB .6.2TB 9MB