/^(?P0|[1-9]\d)\.(?P0|[1-9]\d)\.(?P0|[1-9]\d)(?:-(?P(?:0|[1-9]\d|\da-zA-Z-)(?:\.(?:0|[1-9]\d|\da-zA-Z-))))?(?:\+(?P[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/gm

Extract words start with _ and end with ;

Regex quiz in python. Match all movie titles containing a word ending in 'tes'

Regra de validação de CPF.

find matched words

Pattern for validating a definitions.reference.issn value in the Citation File Format (CFF)

Pattern for validating definitions.reference.languages values in the Citation File Format (CFF)

Pattern for validating a definitions.reference.pmcid value in the Citation File Format (CFF)

Pattern for validating a definitions.swh-identifier value in the Citation File Format (CFF)

cron regular expression

Also matches the first letter after ' or -

Extract words separated by specific words

Not ending with png

Public library

Username check. started only [a-z] and stoped [a-z0-9]

Test for valid ActiveDirectory SamAccountName

iso-8601-optional-milliseconds

ff

This detect format for SORT data

Find lines that are not alphanumeric