Validate IPv4 addresses using PCRE's recursion patterns.

Filtrar inicio da string por BRN ou 201

find leading zeros in ipv4 adresses

accept number , space, . and -

This regex can be used to parse the "general", "video" or "audio" stream metadata returned by the mediainfo.dll inform() call.

this regex can be used to parse out general, video and audio sections of the mediainfo.dll library inform() return to be used to create string lists or dictionaries of the container and stream metadata key/value pairs.

Given script or link tags, find and extracts URIs, excluding the double quotes

csv parsing with content quota string

Matches ranges from 0-255 for all four octets. Extra leading or trailing '.' invalidate the match, as do values > 255.

IOS3166 Country Code Identification REGEX

1-15 alphanumeric login name

Trims a string without selecting any unnecessary text.