regex101: PCRE (Legacy) Match Workspace

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1((\w+)\.)?

?repeats the group contents below at most once:

Group 2(\w+)

\w+any word character, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 3(\w+)

\w+any word character, repeated at least once

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 4(\w{3})

\w{3}any word character, repeated exactly 3 times

$end of line

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

Search reference

Regular Expression

/((\w+)\.)?(\w+)\.(\w{3})$

Test String
New

c:/my_project/sources/hr.manage_employees.pks
c:/my_project/sources/hr.manage_employees.pkb
c:/my_project/sources/hr.employee_typ.tps
c:/my_project/sources/hr.employee_typ.tpb
c:/my_project/sources/hotel.manage_rooms.pks
c:/my_project/sources/hotel.manage_rooms.pkb
c:/my_project/tests/hr.test_manage_employees.pks
c:/my_project/tests/hr.test_manage_employees.pkb
c:/my_project/tests/hotel.test_manage_rooms.pks
c:/my_project/tests/hotel.test_manage_rooms.pkb

Regular Expressions 101

Regular Expression

Test String
New

Extraction
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Regular Expression

Test StringNew

ExtractionProcessing...

Test String
New

Extraction
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