Is there a way to remove all instances of " " in a JSON string?
{
"Cat": "laps milk",
"Dog": "Woofs at Postman",
"Bird": "Jumps over the river",
"I": "Want to learn Regexp"
}
Also, could you recommend a good article or book that can help me learn Regexp more effectively? :(
If you are working with a JSON string, you have the option to utilize the reviver parameter in the JSON.parse(string, [reviver]) method:
var jsonStr = '{"Cat":"laps milk","Dog":"Woofs at Postman","Bird":"Jumps over the river","I":"Want to learn Regexp"}';
var result = JSON.parse(jsonStr, function (key, value) {
return value.replace(/ /g, " ");
});
Similarly, the stringify method provides a replacer function that can replace specific values when converting to a JSON string:
var obj = {"Cat":"laps milk","Dog":"Woofs at Postman","Bird":"Jumps over the river","I":"Want to learn Regexp"};
var result = JSON.stringify(obj, function (key, value) {
return value.replace(/ /g, " ");
});
It is important to note that these features are available when using a library like json2.js or a browser that supports ECMAScript 5th Edition specifications for the JSON object.
var data = { "Apple" : "bites_ into_ the_ pie",
"Banana" : "peels_ perfectly",
"Orange" : "squeezes_ out_ juice",
"Grape" : "crunch_ when_ eaten" };
for (var item in data) {
data[item] = data[item].replace(/_/gi, '');
}
Learn more about Regular Expressions to master regexes.
Give this a shot:
const animals = {"Cat":"laps milk","Dog":"Woofs at Postman","Bird":"Jumps over the river","I":"Want to&##160;learn Regexp"};
for(const key in animals) {
animals[key] = animals[key].replace(' ', '');
}
And here's a valuable resource for mastering regular expressions:
When working with Mootools, you can use console.log(JSON.encode(mystring).replace(/ /gi, ' '));
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