How to use the exec function from xregexp

README.md?plain=1

GitHub: ivantcholakov/starter-public-edition-4

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var date = XRegExp('(?<year>  [0-9]{4} ) -?  # year  \n\
                    (?<month> [0-9]{2} ) -?  # month \n\
                    (?<day>   [0-9]{2} )     # day   ', 'x');

// XRegExp.exec gives you named backreferences on the match result
var match = XRegExp.exec('2012-02-22', date);
match.year; // -> '2012'

// It also includes optional pos and sticky arguments
var pos = 3, result = [];

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readme.md?plain=1

GitHub: proglang/dts-generate-results

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match.year; // -> '2017'

// It also includes optional pos and sticky arguments
let pos = 3;
const result = [];
while (match = XRegExp.exec('<1><2><3>4<5>', /<(\d+)>/, pos, 'sticky')) {
    result.push(match[1]);
    pos = match.index + match[0].length;
}
// result -> ['2', '3']

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README.md?plain=1

GitHub: slevithan/xregexp

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```js
// Change this
const name = XRegExp.exec(str, regexWithNamedCapture).name;

// To this
const name = XRegExp.exec(str, regexWithNamedCapture).groups.name;
```

See below for more examples of using named capture with `XRegExp.exec` and `XRegExp.replace`.

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sass.js

GitHub: nikhilkalige/docblockr

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const r = '^\\s*@(?P<fnType>(mixin|function))\\s+' +
      '(?P<name>' + this.settings.fnIdentifier + ')' +
      '\\s*(?:\\(\\s*(?P<args>.*?)\\)|{)';
const regex = xregexp(r);

const matches = xregexp.exec(line, regex);
if (matches === null) { return null; }

return [
  matches.name,

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example.js

GitHub: ULL-ESIT-GRADOII-PL/xregexp-example

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var date = XRegExp(`(?<year>  \\d{4} ) -?  # year 
                    (?<month> \\d{2} ) -?  # month 
                    (?<day>   \\d{2} )     # day   `, 'x');

// XRegExp.exec gives you named backreferences on the match result
var match = XRegExp.exec('2015-02-22', date);
console.log(match); // -> [ '2015-02-22', '2015', '02', '22', index: 0, input: '2015-02-22', 
                    //       year: '2015', month: '02', day: '22' ]

// XRegExp.replace allows named backreferences in replacements

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device.js

GitHub: mozilla-raptor/test

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let message = {};
let regex = PATTERNS[type];

try {
  let match = xRegExp.exec(stripped, regex);
  let captureNames = regex.xregexp.captureNames;

  R.forEach(field => {
    if (captureNames.indexOf(field) >= 0) {

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