Which Regular Expression Query Modifier Function Indicates the Start of a String

question 28

Multiple Choice

Which regular expression query modifier function indicates the start of a string?

• A) +
• B) ^
• C) $
• D) [^]

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Definitions:

Upper Tail Area

Upper tail area refers to the region in the tail of a probability distribution, beyond a certain point, used to calculate probabilities in related statistical tests.

Level of Significance

A threshold in hypothesis testing, denoted by alpha, that determines the probability of rejecting a true null hypothesis, often set at 0.05 or 5%.

Testing

The process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.

Null Hypothesis

A statistical hypothesis that suggests there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.