I'm searching a set text for multiple values, which will later be stored in a database.
I am using RegExp and worked with the official documentation and help to get the code to be two separate while loops. The question is if it's possible combine those into one, adding more and more regular expressions, or if they each need a for-loop of their own.
const regex = /PREPARED FOR([^]*?)RESERVATION/g;
const regex2 = /AIRLINE RESERVATION CODE (.*)/g;
const str = `30 OCT 2017 04 NOV 2017
Distance (in Miles):500
Stop(s): 0
Distance (in Miles):500
Stop(s):0
TRIP TO KRAKOW, POLAND
PREPARED FOR
DOE/JANE MRS
APPLESEED/JOHN MR
RESERVATION CODE UVWXYZ
AIRLINE RESERVATION CODE DING67 (OS)
AIRLINE RESERVATION CODE HDY75S (OS)`;
let m;
let x;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
console.log(m[1])
}
while ((x = regex2.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (x.index === regex2.lastIndex) {
regex2.lastIndex++;
}
console.log(x[1])
}
console.log("We're done here")
Now, this works perfectly fine as is, but I will be adding more filters and searches to it, which means I may get to a total of 8-9 while loops, which may slow the process down, or be inefficient.