How to replace JavaScript regular expressions with spaces

This article mainly introduces how to replace regular expressions with spaces in Javascript, compares and analyzes deletion techniques for full-width and half-width spaces with examples, and describes how to replace regular expressions, for more information about how to replace and remove spaces with JavaScript regular expressions, see the next article. This article compares and analyzes how to delete spaces between full-width and half-width fields with examples, how to Use replace regular expression replacement. For more information, see

The example in this article describes how to replace JavaScript regular expressions with spaces. We will share this with you for your reference. The details are as follows:

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// Remove the left space; function ltrim (s) {return s. replace (/^/s */, "") ;}// remove right space; function rtrim (s) {return s. replace (// s * $/, "");} // left and right spaces; function trim (s) {return rtrim (ltrim (s ));}

If the halfwidth and fullwidth spaces are removed, replace/s with ["" | ""]

// Remove the left space; function ltrim (s) {return s. replace (/^ ["" | ""] */, "") ;}// remove right space; function rtrim (s) {return s. replace (/["" | ""] * $/, "");} // left and right spaces; function trim (s) {return rtrim (ltrim (s ));}

The above is a detailed description of how to replace JavaScript regular expressions with spaces. For more information, see other related articles in the first PHP community!