const regex = new RegExp('(?<=src=\\\\").*?(?=\\\\")', 'g')
const str = `{"Items":[{"ItemID":10198,"ItemType":null,"Subject":null,"SubjectID":14,"Area":null,"AreaID":18,"Topic":null,"TopicID":18,"SubTopicID":0,"ItemBankName":null,"Direction":"","ItemTitle":"Q.53","IsApproved":false,"Item":"\\u003cp\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003eThe\\u003c/span\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003e efficiency of the screw\\u0026nbsp;\\u003c/span\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003ein %\\u0026nbsp;\\u003c/span\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003eupto\\u003c/span\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003e two decimal places is\\u0026nbsp;\\u003c/span\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003e[quizky-text]\\u003c/span\\u003e\\u003c/p\\u003e","ItemPassageID":352,"Passage":"\\u003cp\\u003e\\u003cstrong\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003eStatement\\u003c/span\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003e for Linked Answer Questions 52 and 53:\\u0026nbsp;\\u003c/span\\u003e\\u003c/strong\\u003e\\u003cbr /\\u003e \\u003cspan style=\\"font-size: 14.7px;\\"\\u003eA load of 30 KN is raised by means of a screw jack having square threaded screw of pitch 12 mm. The spindle diameter is 50 mm. If a force of 350 N is applied at the end of a lever to raise the load, co-efficient of friction\\u0026nbsp;\\u003c/span\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003eis\\u003c/span\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003e 0.15.\\u003c/span\\u003e\\u003c/p\\u003e","PassageTitle":null,"IsLinkedQuestion":false,"Points":0,"Explanation":"\\u003cp\\u003e\\u003cspan style=\\"font-family: Symbol;\\"\\u003eh\\u003c/span\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003e =\\u0026nbsp;\\u003c/span\\u003e\\u003cimg style=\\"vertical-align: bottom;\\" src=\\"QUIZKYIMAGEREPO/docximg_1128711867_image197.png\\" alt=\\"\\" width=\\"54\\" height=\\"32\\" data-docx-image=\\"image197.emf\\" /\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003e =\\u0026nbsp;\\u003c/span\\u003e\\u003cimg style=\\"vertical-align: bottom;\\" src=\\"QUIZKYIMAGEREPO/docximg_1128711867_image198.png\\" alt=\\"\\" width=\\"40\\" height=\\"31\\" data-docx-image=\\"image198.emf\\" /\\u003e\\u003cspan style=\\"font-size: 14.7px;\\"\\u003e = 33%\\u003c/span\\u003e\\u003c/p\\u003e","ItemBankID":0,"LOD":null,"LODID":2,"ItemBank":0,"QuestionPaper":0,"IsProofRead":false,"CorrectIndex":0,"QuestionPaperSectionID":0,"ItemOptionModel":null}],"ItemOptions":[{"ItemOptionID":37637,"ItemID":0,"Option":"\\u003cp\\u003e\\u003cspan style=\\"font-family: Arial; font-size: 12px;\\"\\u003e\\u0026nbsp;\\u003c/span\\u003e\\u003cspan style=\\"font-family: Arial; font-size: 12px;\\"\\u003e33.36\\u003c/span\\u003e\\u003c/p\\u003e","RHSOption":null,"MarkedIndex":null,"OrderNumber":null,"OptionIndex":0,"IsCorrect":false,"IsHTML":false,"RHSIsHTML":false,"ColumnID":0},{"ItemOptionID":37638,"ItemID":0,"Option":"\\u003cp\\u003e\\u003cspan style=\\"font-family: Arial; font-size: 12px;\\"\\u003e\\u0026nbsp;\\u003c/span\\u003e\\u003cspan style=\\"font-family: Arial; font-size: 12px;\\"\\u003e33.36\\u003c/span\\u003e\\u003c/p\\u003e","RHSOption":null,"MarkedIndex":null,"OrderNumber":null,"OptionIndex":0,"IsCorrect":false,"IsHTML":false,"RHSIsHTML":false,"ColumnID":0}]}`;
// 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