November 2014
Beginner
336 pages
10h 58m
English
Content preview from Learning to ProgramBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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+
Right now you’re probably thinking “Woooooooooow! Regular expressions are amazing!” Well, maybe you’re not quite that excited about it, but guess what? Regular expressions can handle it, no matter how excited you are. In Regular Expression Land, the + tells the regular expression to match the preceding character one or more times. See Listing 6.6.
Listing 6.6 Regular Expressions Can Handle All Levels of Excitement
> var excitementPattern = /Wo+w/; /Wo+w/> var notYetExcited = 'Wow... Regular Expressions are weird :/'; "Wow... Regular Expressions are weird :/"> excitementPattern.exec(notYetExcited); ["Wow"]> var startingToGetExcited = 'Wooow. Regular Expressions are... pretty cool.'; "Wooow. Regular Expressions ...
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