Answer1215

摘要： Let's image tow cases for the following string: var str = `foo foobar foobaz fooboo` First of all: we know how to capture foobar or fooboo: var regex 阅读全文

摘要： We'll capture groups of characters we wish to match, use quantifiers with those groups, and use references to those groups in String.prototype.replace 阅读全文