const regex = new RegExp('^/ # start of string and /
(?P<operation>buy|sell) #buy or sell
\\s+ # 1+ whitespaces
(?P<amount>\\d+) # 1+ digits
\\s+ # 1+ whitespaces
(?P<network>\\S+) # 1+ non-whitespaces
\\s+ @ \\s+ # 1+ whitespaces, @, 1+ whitespaces
(?P<rate>\\S+) # 1+ non-whitespaces
\\s+ # 1+ whitespaces
(?P<legal>\\S+) # 1+ non-whitespaces
\\s+ # 1+ whitespaces
(?P<cellphone>\\+?\\d(?:\\s?\\d)+) # optional +, digits with possible one whitespace in between each
(?: # non-capturing group start:
\\s+ (?P<email>[^\\s@]+@\\S+) # 1+ whitespaces, email
)? # non-capturing group end, optional due to ?
$ # end of string', 'gm')
const str = `/sell 2000 USDT @ 5.56 111.222.333-44 +123456789 mail@example.com
/sell 2000 USDT @ 5.56 111.222.333-44 +123456789`;
// 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