Web Dev Roadmap for Beginners (Free!): [ Ссылка ]
In this tutorial, we will look at Regex (Regular Expressions) basics and some examples of useful regex patterns. Regex is used to describe and select patterns inside of string data. Regular Expressions make up a small language that may be utilized inside of many other programming languages. Regex patterns may be used inside of JavaScript, Python, Java, C++, and more.
Subscribe ➜ [ Ссылка ]
✅ Quick Concepts outline:
Regex Basics:
• Character sets
• Negated sets
• Ranges
• Global and Case Insensitive flags
• Special character: dot
• Escaping special characters
• Word characters
• Digits
• Whitespace
• Match all characters
• Match the beginning of a string
• Match the end of a string
• Multiline flag
• Capturing and Non-capturing groups
• Positive and Negative lookahead
• Quantifiers
• Select one or more
• Select zero or more
• Make a selection optional
• Make a quantifier lazy instead of greedy
• Alternation: using "or" |
• Example pattern 1
• Example pattern 2
• Example pattern 3
📚 References:
MDN Regular Expressions: [ Ссылка ]
RegExer: [ Ссылка ]
Regex101: [ Ссылка ]
📺 More Beginner JS Videos:
freeCodeCamp: [ Ссылка ]
Traversy Media: [ Ссылка ]
The Net Ninja: [ Ссылка ]
✅ Follow Me:
Twitter: [ Ссылка ]
Reddit: [ Ссылка ]
Medium: [ Ссылка ]
#regex #regular #expressions
Regex Tutorial | Regular Expressions Explained
Теги
regexregex tutorialregex explainedregular expressionsregular expressions tutorialregular expressions explainedregex basicsregex examplesregex patternsregular expression patternsregular expression basicsregular expression examplesregular expressionregular expression tutorialregex tutorialsregular expression matchingregular expression tutorial for beginnersmatch patternspattern matchingregex javascript explainedregex basics tutorial