Which of the following is true about regular expressions?
A) In most cases, regular expression patterns are processed from right to left.
B) Matches occur when patterns are found anywhere within a source string.
C) By default, matches are case insensitive.
D) Every character inside a pattern is taken literally, including metacharacters.

Question

Quizplus · Accepted Answer

Regular expression matches can occur anywhere within a source string. This is one of the key features of regular expressions. Option A is incorrect because regular expression patterns are processed from left to right by default. Option C is incorrect because matches can be case sensitive or insensitive based on the expression or the flags used. Option D is incorrect because metacharacters are not taken literally and have special meanings in regular expressions.

Which of the Following Is True About Regular Expressions