js 字符串下划线转驼峰 驼峰转下划线

 

一、下划线转驼峰

1、效果

2、示例

function underscoreToCamelCase(str) {return str.replace(/(_\w)/g, function(match) {return match[1].toUpperCase();}).replace(/^_/, '');
}// 示例
let snakeCaseStr = "hello_world";
let camelCaseStr = underscoreToCamelCase(snakeCaseStr);
console.log(camelCaseStr); // "helloWorld"

 

 

二、驼峰转下划线

1、效果

2、示例

function camelToUnderscore(str) {return str.replace(/[A-Z]/g, function(match) {return "_" + match.toLowerCase();}).replace(/^_/, '');
}// 使用示例
let camelCaseStr = "camelCaseString";
let underscoredStr = camelToUnderscore(camelCaseStr);
console.log(underscoredStr); // "camel_case_string"

 

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