JavaScript Regex select a word between two words

Question

Helllo, ajax request returs me a string, that I store in a variable:

text = "bla bla bla word1 unknown. Word2 bla bla bla";

I know the every word in the text except the 'unknown'. I need to store the 'unknown' word in a variable to do further work. I know that it can be done by Regex, but I don't quite understand it. Can someone show me the trick? Thank you for your time!

If it's always a fixed length string, just use substr() to extract the portion. — alex
– alex, Commented Nov 4, 2013 at 23:47

Amit · Accepted Answer · 2019-08-21 10:23:24Z

1

You can use a simple .match like this.

text = "bla bla bla word1 word i want Word2 bla bla bla";
myWord = text.match("word1(.*)Word2")[1];
console.log(myWord);

answered Aug 21, 2019 at 10:23

Amit

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abiessu · Accepted Answer · 2013-11-04 23:56:31Z

0

word1\s+([^.]*).\s*Word2 should do it.

More generally,

word1\s+(\S+)\s+[wW]ord2

This will find the "word" (non-space characters) preceded by "word1" and followed by "word2" or "Word2". The only thing possibly necessary would be to remove non-word characters (like the period).

edited Nov 4, 2013 at 23:56

answered Nov 4, 2013 at 23:48

abiessu

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2 Comments

user2840278 Over a year ago

Sorry for a dumb question, but how to save this in a variable? Like this? data = RegExp('word1'\s+([^.]*).\s*'word2', data);

thgaskell Over a year ago

new Regexp(word1 + "regex" + word2). Remember to escape anything that uses a backslash with another backslash. Example: var regex = /\w/ is the same as var regex = new RegExp("\\w").

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