How to perform string replacement in js

Methods for string replacement in js: 1. Use regular expressions, the syntax is [str.replace("String to be replaced", "New String")]; 2. Use regular Replacement method, the syntax is [str.replace(/string to be replaced/g, "new string")].

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js Methods for string replacement in:

Two methods: Regular & Conventional

##str.replace("String to be replaced" , "new string")

##str.replace(/String to be replaced/g, "new string")

For example:

1,

"yyyy-MM-dd-hh-mm-ss".replace("-","/")

The results are as follows:

 "yyyy/MM-dd-hh-mm-ss"

2,

"yyyy-MM-dd-hh-mm-ss".replace(/-/g,"/")

The results are as follows:

"yyyy/MM/dd/hh/mm/ss"

In summary:

Regular replacement will only replace the first matching character, regular replacement can replace all

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