How javascript regularly replaces newline characters

This article mainly introduces the relevant knowledge of "how javascript regularly replaces newline characters". The editor shows you the operation process through an actual case. The operation method is simple, fast and practical. I hope this article "how to regularly replace newline characters in javascript" can help you solve the problem.

The method of regular replacement of line breaks: 1, using the replace () function, syntax "string object .replace (/ [\ r\ n] / gjournal 'replace value')"; 2, using replaceAll () function, syntax "string object .replaceAll (/ [\ r\ n] / g\ 'replacement value')".

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

Javascript regular substitution for newline characters

Method 1: use the replace () function

The replace () method is used to replace some characters in a string with other characters, or to replace a substring that matches a regular expression.

Example:

Let a ='\ nnewline Astefen ABCD';console.log (a); let b = a.replace (/ [\ r\ n] / gjinger'); console.log (b)

Method 2: use the replaceAll () function

The replaceAll () method is used to replace some characters in a string with other characters, or to replace a substring that matches a regular expression, which replaces all matching substrings.

Let a = 'newline Astephen\ r\ nWrap Astin\ nABCD';console.log (a); let b = a.replaceAll (/ [\ r\ n] / gjingjinghee') ; console.log (b)

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