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EPISODE · Feb 2, 2020 · 22 MIN
Regular Expressions a(?=[^a-z])
from Programmers · host Software Engineering
A regular expression, regex or regexp is a sequence of characters that define a search pattern. Usually such patterns are used by string searching algorithms for "find" or "find and replace" operations on strings, or for input validation. It is a technique developed in theoretical computer science and formal language theory
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Regular Expressions a(?=[^a-z])
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