JavaScript String Regular Expressions – Part 7 Introduction This is the seventh part of my series, JavaScript String Regular Expressions. We have seen some uses of regex in JavaScript. We know how to verify if a regex is found in a subject string. We know how to find the position of matched regex in the subject string. Note that the subject string can be a whole page of text. In this part of the series, we shall learn two important features titled “Search and Replace” and “The Split Operation”.... Sign in to see full entry.