transform camelcase to snake case

transform snake case in camel case typescript

const toCamelCase = (str: string): string =>{
     let charsLowerCase = str.toLowerCase().split('');
     let camelCaseKey = '';
     for (let pos = 0; pos < charsLowerCase.length; pos++) {
          if (charsLowerCase[pos] === '_') {
               let next = pos + 1;
               charsLowerCase[next] = charsLowerCase[next].toUpperCase();
               charsLowerCase.splice(pos, 1);
          }
          camelCaseKey += charsLowerCase[pos];
     }
     return camelCaseKey;
}

console.log(toCamelCase('hello_world')); 
// >  helloWorld

Posted by: Guest on July-10-2021

using System.Text.RegularExpressions; public class Program { public static string ToSnakeCase(string str) { return Regex.Replace(str, "[A-Z]", "_$0").ToLower(); } public static string ToCamelCase(string str) { return Regex.Replace(str, "_[a-z]", delegate(Match m) { return m.ToString().TrimStart('_').ToUpper(); }); } }

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