Complete Regular Expressions Masterclass - 8.5 Hours!

5 Hours! 100+ Examples Included

Understand regular expression syntax

Use metacharacters and characters sets in defining patterns.

Using groups for more advanced searching, plus replacing parts of strings

Using flags and greedy vs. lazy to fine-tune your regular expressions

Lookahead and Lookbehind

Examples and exercises provided in Bash, jаvascript, Python and Grep

Define more complex patterns using regular expressions.

Take advantage of repetition and grouping.

A browser and a text editorFor practical usage some knowledge of Python, Bash, JS, Perl and so on.

WELCOME

In computing, a regular expression, also referred to as "regex" or "regexp", provides a concise and flexible means for matching strings of text, such as particular characters, words, or patterns of characters. A regular expression is written in a formal language that can be interpreted by a regular expression processor.

\n

WHY REGEX

Really clever "wild card" expressions for matching and parsing strings.

Very powerful but quite cryptic

Fun once you understand them

A language of "marker characters" - programming with characters

It is kind of an "old school" language - compact




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