const regex = /"([^"]+)":/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('"([^"]+)":', 'g')
const str = `{ "name": "J\\\\"ohn Smith" }
{
"colors": [
{
"color": "black",
"category": "hue",
"type": "primary",
"code": {
"rgba": [255,255,255,1],
"hex": "#000"
}
},
{
"color": "white",
"category": "value",
"code": {
"rgba": [0,0,0,1],
"hex": "#FFF"
}
},
{
"color": "red",
"category": "hue",
"type": "primary",
"code": {
"rgba": [255,0,0,1],
"hex": "#FF0"
}
},
{
"color": "blue",
"category": "hue",
"type": "primary",
"code": {
"rgba": [0,0,255,1],
"hex": "#00F"
}
},
{
"color": "yellow",
"category": "hue",
"type": "primary",
"code": {
"rgba": [255,255,0,1],
"hex": "#FF0"
}
},
{
"color": "green",
"category": "hue",
"type": "secondary",
"code": {
"rgba": [0,255,0,1],
"hex": "#0F0"
}
},
]
}
`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions