匹配小数位的整数，或者匹配整数

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Given a string, generate random alpha characters of a particular length

Json add q

Parse a filename into path, filename and extension (directory names are windows style, but changeable). Matches are accessible by name and number. This is dependent on PCRE compatibility. It uses (DEFINE) non-consuming group definitions and back references. The only good description of using thi...

Tte pattern to grep the multilayer numbered list bullets: 1. level 1 1.2. level 1.2 1.2.1. level 2.1 1.3. level 1.3 1.4. level xxx...

Mac address is 6 parts of 2 hexadecimal digits separated by a special character "-" so, there are 5 parts of digits followed by the character "-" then, one part without that character.

Setup php source extension regex

for links

regex_emplacement_bl

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como identificar opção de compra de ações (CALL)

Eine Aufgabe die man Lösen muss, wenn man die Lösung kennt.

Alien Registration Number

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