Metadata is data (information) about data.
The <meta> tag provides metadata about the HTML document. Metadata will not be displayed on the page, but will be machine parsable.
Meta elements are typically used to specify page description, keywords, author of the document, last modified, and other metadata.
The metadata can be used by browsers (how to display content or reload page), search engines (keywords), or other web services.
Simple...
Although we are not allowed to link in websites..(against guidelines) you can search up codeacademy, this is a place to learn to code.
Thus, your answer.
Answer:
A cell reference, or cell address, is an alphanumeric value used to identify a specific cell in a spreadsheet. Each cell address contains “one or more letters” followed by a number. The letter or letters identify the column and the number represents the row.
Explanation:
Answer:
^[A-Fa-f0-9]+$
Explanation:
The hexadecimal (Base 16) can contain 0-9, A-F, a-f and any of these can be the part of the Hexadecimal base 16 code.
In python we have the re.match function, and the syntax is as below:
re.match(pattern, string, flag=0). And we can use this function to check whether the entered char variable is a regex or not. Like:
re.match(pattern,x, flag=0)
Answer:
000110011111000010010101001001
Explanation: