const regex = /(?:^|(?<=\n))\d+\s+credits[]\s\S]*?(?=\n\d+\s+credits|$)/g;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(?:^|(?<=\\n))\\d+\\s+credits[]\\s\\S]*?(?=\\n\\d+\\s+credits|$)', 'g')
const str = `3 credits in Philosophical Perspectives
PHIL 101L
PHILOSOPHICAL PERSPECTIVES
B
3
Fall 2014
Student View
3 credits in Fine Arts
ART 160L
HIST WEST ART I
B+
3
Fall 2014
3 credits in History
Still Needed:
Click here to see classes that satisfy this requirement.
3 credits in Literature
ENG 201L
INTRO LINGUISTIC
IP
(3)
Spring 2016
3 credits in Math
Still Needed:
Click here to see classes that satisfy this requirement.
3 credits in Natural Science
BIOL 225L
TOPICS IN NUTRITION
A-
3
Spring 2015
3 credits Ethics/Applied Ethics/Religious Studies
REST 209L
WORLD RELIGIONS
A-
3
Spring 2015
3 credits in Social Science
ECON 104L
PRINC MACROECONOM
T
3
Fall 2014`;
// 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