Regular Expressions 101

Group name1(?<name1>\w+(?=_))

\w+any word character, repeated at least once

Positive Lookahead(?=_)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

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

(?<name1>\w+(?=_))

Test String
New

ABCD01MAH_processor_B_stats_qwer_20181105T105946Z.csv	ABCD01MAH_processor_B_stats_qwer_20181106T105945Z.csv	EFGHIJ01MAH_processor_A_stats_qwer_20181105T105945Z.csv	EFGHIJ01MAH_processor_A_stats_qwer_20181106T105945Z.csv

Regular Expression

Test StringNew

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Test String
New

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