This course contains 35 interactive screencasts
35 lessons - 45 min
Begins with match
Ends with match
freeCodeCamp is a community that helps you learn to code, then get experience by contributing to open source projects used by nonprofits. Their Scrimba sceencasts are recorded by their brilliant instructor Beau Carnes and are based on their core curriculum.Follow me on twitter
The lectures are recorded by Beau Carnes. Beau is the man behind some of the most popular courses at freeCodeCamp's YouTube channel, so you'll be in good hands. He explains concepts clearly and thoroughly, but without wasting your time.
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Regex is short for regular expression, a regex is a string of text which you can use to create patterns that help match, locate, and manage text.
Almost all modern regex flavours are based on regex-directed engines. If a match is found, the engine advances through the regex and the subject string. If a token fails to match, the engine backtracks to a previous position in the regex and the subject string where it can try a different path through the regex.
Regular expressions are a very terse way to express how to match patterns in text. The requirement to parse and extract data from text or to validate that some text conforms to a specific pattern comes up very often in programming. It is important to learn about regex and at least know what to google when you encounter one or need to use it.
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