How to capture float and decimal numbers after equal sign REGEX -

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i'm try float or decimal numbers grep -p

example= jrockit.gc.latest.yc.number = 5034;

i want 5034.

here regex => (?:\s*=\s*)([0-9.]+) equal sign.

how number?

use \k keeps text matched far out of overall regex match.

grep -op '\s*=\s*\k[0-9.]+' file

or

grep -op '\s*=\s*\k\d+(?:\.\d+)?' file

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