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I have the following replace function
myString.replace(/\s\w(?=\s)/,"$1\xA0");
The aim is to take single-letter words (e.g. prepositions) and add a non-breaking space after them, instead of standard space.
However the above $1 variable doesn’t work for me. It inserts text “$1 ” instead of a part of original matched string + nbsp.
What is the reason for the observed behaviour? Is there any other way to achieve it?
$1 doesn’t work because you don’t have any capturing subgroups.
The regular expression should be something like
/\b(\w+)\s+/.