const regex = /# the opening delimiter
(["'])
# the body is
(?:
# either an escaped delimiter
\\\1
# or
|
# anything except a backslash or a delimiter
(?!\\|\1).
# (can't put \1 in a character class, so use a negative lookahead)
)*
# repeated zero or more times# the closing delimiter
\1/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('# the opening delimiter
(["\'])
# the body is
(?:
# either an escaped delimiter
\\\\\\1
# or
|
# anything except a backslash or a delimiter
(?!\\\\|\\1).
# (can\'t put \\1 in a character class, so use a negative lookahead)
)*
# repeated zero or more times# the closing delimiter
\\1', 'g')
const str = `{if Server:GetPhpSelf == "/ind'ex.php"}
foo 'hhhh"hhh""hhh' plonk
foo "meep\\"meep" plonk
foo 'meep\\'meep' plonk`;
// 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