This string can help you locate/select the last underscore in a string

Basic sas boundaries, %macro proc %include etc

Valida se é um CPF ou um CNPJ válido, independente da máscara

To identify quoted strings, single terms as well as subtracting those types. Based on: http://stackoverflow.com/questions/1883188/google-like-search-query-tokenization-string-splitting

This validates version numbers that adhear to the Semantic protocol e.g. in form of xx.xx.xx or 1.2.2

Password pattern looking for strength. Between 8 and 16 characters. At least: 1 UpperCase. 1 LowerCase. 1 SpecialCase. 1 Number

Selects Xml version and Encoding and whitespaces

Pattern that check your string to match Facebook user profile URL.

09-10-2015_17:12:59.536_PDT] [ERROR] - [FxG5vfvSFN] [family.gibson@att.net@slid.dum] [] [common] [AbstractServiceLayerBridge] - Service Exception while invoking [ServiceLayer API]: UsageService.getFiberUsageDetails with [TransactionId]: COLDAPP_WS_380920115_144187749927000022_p9mbm20_0 java.lang.ref...

Test for Password using any character. Length of password can be from 8 - 63 characters

Valida las posibles respuestas al insertar una pregunta, esto se realiza ya que las respuestas se ordenan aleatoriamente, por eso no se permite respuestas del tipo "A y B son correctas"

this regex is support for all languages

This will find almost every (if not every) hungarian phone number such as: 205032935 305032935 705032935 06303335554...