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How can I automatically replace all instances of multiple spaces, with a single space, in Javascript?
I've tried chaining some s.replace but this doesn't seem optimal.
I'm using jQuery as well, in case it's a builtin functionality.
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The metacharacter “\s” matches spaces and + indicates the occurrence of the spaces one or more times, therefore, the regular expression \S+ matches all the space characters (single or multiple). Therefore, to replace multiple spaces with a single space.
Use JavaScript's string. replace() method with a regular expression to remove extra spaces. The dedicated RegEx to match any whitespace character is \s . Expand the whitespace selection from a single space to multiple using the \s+ RegEx.
Continuing with that same thought, if your string with spaces is already stored in a variable, you can simply use echo unquoted within command substitution to have bash remove the additional whitespace for your, e.g. $ foo="too many spaces."; bar=$(echo $foo); echo "$bar" too many spaces.
You could use a regular expression replace:
str = str.replace(/ +(?= )/g,''); Credit: The above regex was taken from Regex to replace multiple spaces with a single space
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There are a lot of options for regular expressions you could use to accomplish this. One example that will perform well is:
str.replace( /\s\s+/g, ' ' ) See this question for a full discussion on this exact problem: Regex to replace multiple spaces with a single space
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