Tag: Expression
Using STL to verify brackets or parentheses combination in an expression
In this we will see how to check if a given string take valid combination of open and close brackets i.e. (4+{8-[22+8]*}] contains valid order of open and close brackets. ({5+8]) contains invalid combination of open and close brackets. Advertisements [showads ad=inside_post] Bracket combinations to be used, Frequently Asked: Using STL to verify brackets or parentheses combination in an …
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Python : List Comprehension vs Generator expression explained with examples
In this article we will discuss the differences between list comprehensions and Generator expressions. Need of Generator Expression ? Sometimes we want to operate on selected elements only and that too one by one. For such scenarios we should avoid keeping unnecessary elements in memory by creating lists or set or tuple etc. Advertisements Let’s …
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Regex for Linux – Regular Expression Syntax for Beginners
Regex for Linux, regular expressions are similar to the wildcards which allow us to create a pattern to perform a specific search in data. Regular expressions are lot more powerful and also known as “regex” or “regexp“. The commands in Linux that are commonly used with regex are tr, sed, vi and grep. Basic Regular …
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