const regex = /^\d+ +(?<=.{11})/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^\\d+ +(?<=.{11})', 'gm')
const str = `Don't want to match below
1 , 52
123 ,abc
1234 abcd
12345 ,asdht
123456 ahcb
Don't want to match below
33406 +%global blind rpttyp ;
33407 +
33408 +%let blind=N;
33409 +%let rpttyp =2;
33410 +%let var = %sysfunc(cats(blah));
Want to match below
33413 /*************************************************************************************
33414
33439 17APR2018
33440 19APR2018
33441 23APR2018
33442 24APR2018
33443 **************************************************************************************
33444 Program Notes:
33445
33446 **************************************************************************************/
33447 options mprint mlogic symbolgen source source2 nobyline;
33448
33449 %let source=%str(myds);
Last goal:
1 2 4 `;
// 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