Answered
I have come across the following regular expression being applied to strings:
.replace(/ {2,}/g, " ")
What does this do?
It takes a string, finds every instance of two or more spaces, and replaces it with a single space.
You can examine the regular expression here: https://regexr.com/6llmm.
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It finds each instance of a double space (or more) in a string and replaces it with a single space.
Here's an example:
let string = " String with several spaces. ";
string = string.replace(/ {2,}/g, " ");
// string = " String with several spaces. "
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It finds any instances of two or more consecutive spaces and replaces it with one single space.
A breakdown:
{2,}: matches any instances of two or more consecutive spaces.g: modifier that specifies a global match. So all matches are found (not just the first).
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