const regex = /"[^"]*"|'[^']*'|\b([a-zA-Z_\d]*[a-zA-Z_][a-zA-Z_\d]*)\b/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('"[^"]*"|\'[^\']*\'|\\b([a-zA-Z_\\d]*[a-zA-Z_][a-zA-Z_\\d]*)\\b', 'gm')
const str = `example_ _where // matches: example_, _where
this would "not be matched" // matches: this and would
while this would // matches: while this would
while 'this' would // matches: while and would
this is number 0 // matches: this, is and number
numb3r f1ve // matches: numb3r and f1ve
example_ _where // matches: example_ and _where
this would "not be 9 matched" // matches: this and would
while 'this' would // matches: while and would`;
// 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