I have successfully read a text file using ajax, but now I am wondering if there is a way to specifically retrieve a word or sentence from the file using ajax.
Appreciate any help. Thank you!
I have successfully read a text file using ajax, but now I am wondering if there is a way to specifically retrieve a word or sentence from the file using ajax.
Appreciate any help. Thank you!
Alright, if you're looking to extract the last word from each line of a file retrieved through Ajax and stored as a string in a variable, here are a couple of methods you can try:
var fileString = // code to retrieve the file
One option is to use a regex that captures the last word of each line while ignoring punctuation after the word (but remembering apostrophes). Here's an example:
var re = /(?:^| )([A-Za-z']+)(?:\W*)$/gm,
matches = [],
current;
while ((current = re.exec(fileString)) != null)
matches.push(current[1]);
// array 'matches' now contains the last word of each line
Alternatively, you can split the string into lines and then split each line further by spaces to isolate the last word. You can then remove any extra punctuation:
var lines = fileString.split("\n"),
matches = [];
for (var i = 0; i < lines.length; i++)
matches.push(lines[i].split(" ").pop().replace(/[^A-Za-z']/g,""));
// array 'matches' now holds the last word of each line
You can check out a combined demo of both methods on this jsfiddle: http://jsfiddle.net/4qcpH/
Since I've presented the solutions, it's up to you to explore how the regex and .split() function work in more detail.
If you go with either approach, you may need to refine it based on your specific requirements, especially regarding handling additional punctuation marks.
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