const regex = new RegExp('^([MF]\\/\\d{2})\\/ (?#Gender/Age, required.)
( (?#Height, required.)
(?:\\d{1}[\\\\'\\’]? (?#Optional \\\\'\\’ unit markings.)
(?: (?#Groups starting with ?: are non-capturing.)
(?:
[02-9]|1[01]?
)(?:[\\"”]|\\\\'\\\\')? (?#Optional "\\\\'\\\\' unit markings.)
)?
)|
\\d{1,3}cm|
[12]m(?:\\d{1,2}(?:cm)?)? (?#Optional cm unit marking.)
)\\ ?
(?#Weight before to after, required. ?P<weight> is a named capturing group, associated with match sub-pattern ?P=weight. It forces the user to be consistent, either using only lbs, or only kg for the entire match, also used in Lifting Stats section.)
\\[(\\d{2,3}\\ ?(?P<weight>lbs|kg)\\ to\\ \\d{2,3}\\ ?(?P=weight))\\]\\ ? (?# Optional space before lbs|kg. *Changed to require space before and after "to".)
\\( (?#Time Period, required)
(
(?:\\d{1,2}\\ ?years?)| (?#Optional space before years, optional s in years.)
(?:
(?:[2-9]|1[01]?)\\ ?(?:month|week)s? (?#Optional space before months|weeks, optional s at end.)
)|
(?:\\d{1,2}\\ ?years?[;,]?\\ ? (?#Optional space before years, optional s in years. Optional space after.)
(?:[02-9]|1[01]?)\\ ?months?)| (?#Optional space before monthss, optional s in months.)
)
\\)\\ ?
(?:\\ ?\\+\\ ?\\( (?#Lifting Stats, optional. Optional space before/after + .)
((?:[DSBO]:\\ ?(?:\\d{2,3})\\ ?(?P=weight)(?:[;,]\\ ?)?){1,4}) (?# Optional space after [DSBO]: . Optional space before lbs|kg. Optional space after ;, delimiter. Changed from 4 repeated statements to one recursive group.)
\\)(?<=[sg]\\)))? (?# ?<= is a Positive Lookbehind. It requires the ; or , delimiter between stats, but prevents the delimiter after the last stat.)
(\\ .*)? (?#Comments, optional. *Changed: Required space before comments section.)
$|^\\[Meta\\].*', 'gm')
const str = `M/24/5'10" [175lbs to 150lbs] (1 year)`;
// 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