How to find hexadecimal numbers in a string?

A

andrey_levushkin2020-04-29 14:16:45

C++ / C#

andrey_levushkin, 2020-04-29 14:16:45

A string is given that contains various text, including its hexadecimal numbers. How to find all these numbers in a string?
Any language is welcome. Well, or at least the algorithm of actions.

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2 answer(s)

T

Timur Pokrovsky, 2020-04-29
@andrey_levushkin

The easiest way is with a regular expression0x[\dA-Fa-f]+

M

mayton2019, 2020-04-29
@mayton2019

There may be pitfalls here.
In arbitrary English text, there are some independent words that cover
the range 0x0..0xF and there will be false positives on articles: "a" and generally short
words like "cafe" which are technically perceived as a hex number.
Look up all the words that cover abcdef.