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What is alpha lowcase characters

The term "alpha lowercase characters" typically refers to the lowercase letters of the Greek alphabet, with "alpha" being the first letter. In the Greek alphabet, the lowercase alpha is written as "ฮฑ" and the uppercase as "ฮ‘". The lowercase alpha is used in various fields such as mathematics, science, and engineering to represent different concepts and values12. If youโ€™re referring to the English alphabet, "alpha lowercase characters" would mean the standard 26 lowercase letters (a-z).

What is alpha uppercase characters

"Alpha uppercase characters" refers to the capital letters in an alphabet. In the context of the Greek alphabet, the uppercase form of alpha is "ฮ‘". In the English alphabet, uppercase characters are the capital letters A through Z.

What is Numeric characters

The term "numeric" refers to anything related to numbers. It often denotes a number or a system of numbers. For example, numeric codes are systems that use numbers to represent information. Numeric can also describe the use of numbers in expressing quantities, measurements, or values.

What is URL Safe characters

According to RFC 3986, the following characters are considered safe and unreserved:

  • Uppercase and lowercase letters: A-Z, a-z
  • Decimal digits: 0-9
  • Hyphen: -
  • Period: .
  • Underscore: _
  • Tilde: ~

What is ASCII characters

  • ASCII stands for American Standard Code for Information Interchange.

  • It is a character encoding standard used in computers.

  • ASCII includes:

    • Uppercase letters A-Z
    • Lowercase letters a-z
    • Digits 0-9
    • Punctuation marks ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \\ ] ^ _ \` { | } ~
    • Control characters like newline, carriage return, and tab.

  • Each ASCII character is represented by a 7-bit binary number, ranging from 0000000 to 1111111, which corresponds to decimal numbers 0 to 127.