Update mask.md

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Angelos Chalaris
2020-01-22 12:47:46 +02:00
committed by GitHub
parent 6f2e8fd49c
commit 3770bbfc32

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--- ---
title: mask title: mask
tags: string,utility,regexp,intermediate tags: string,utility,intermediate
--- ---
Replaces all but the last `num` of characters with the specified mask character. Replaces all but the last `num` of characters with the specified mask character.