Remove white spaces from string between comma and any letter

Question

I use RegExp and \"string\".match very rarely so I\'m not so sure how to use them for some little bit complex things.Here\'s what I would like to do and don\'t know how to d

Answer 1

Simply use RegEx:

\s*,\s*

DEMO

Answer 2

That should work:

str = str.replace(/\s*,\s*/g, ",");

Answer 3

You can play around with regex expressions and get a decent documentation of the language features on https://regex101.com

Here is this.lau_'s solution of your problem: https://regex101.com/r/aT7pS5/1

Answer 4

var str = " I would like to know how to use RegExp    ,    string.match    and  string.replace";

console.log(
  str
);
console.log(
  str
  //Replace double space with single
  .replace(/  +/ig, ' ')
);
console.log(
  str
  //Replace double space with single
  .replace(/  +/ig, ' ')
  //Replace any amount of whitespace before or after a `,` to nothing
  .replace(/\s*,\s*/ig, ',')
);