Regular Expressions [Part 2] - Metacharacter Symbols

This video tutorial covers the basics of regular expressions, including the use of literal characters, metacharacter symbols, wildcards, and optional characters. It also explains how to create a custom function to test regular expressions and handle case sensitivity. The tutorial further explores the use of the dot (.) and asterisk (*) as wildcards, the question mark (?) for optional characters, and how to escape characters to use them as literals. The video concludes with a brief introduction to character sets, quantifiers, and grouping, which will be covered in the next lecture.

Explain the significance of the 'exec' method in the context of regular expressions.

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What is the role of flags in regular expressions, and how do they affect matching?

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What are metacharacter symbols and how are they used in regular expressions?

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How can you use escape characters in regular expressions?

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