further improve regex perf

Author: mikekono

src/core/json.ts

@@ -50,8 +50,8 @@ export const toJson = (
         return originalStringify(value, replacer as never, space);
     }
 
-    const bigInts = /([\[:])?"(-?\d+)n"($|([\n]|\s)*(\s|[\n])*[,\}\]])/g;
-    const noise = /([\[:])?("-?\d+n+)n("$|"([\n]|\s)*(\s|[\n])*[,\}\]])/g;
+    const bigInts = /([\[:])?"(-?\d+)n"($|\s*[,\}\]])/g;
+    const noise = /([\[:])?("-?\d+n+)n("$|"\s*[,\}\]])/g;
     const convertedToCustomJSON = originalStringify(
         value,
         (key, val) => {
@@ -105,7 +105,7 @@ export function fromJson<T = unknown>(
 
     const MAX_INT = Number.MAX_SAFE_INTEGER.toString();
     const MAX_DIGITS = MAX_INT.length;
-    const stringsOrLargeNumbers = /"(?:\\.|[^"])*"|-?(0|[1-9][0-9]*)(\.[0-9]+)?([eE][+-]?[0-9]+)?/g;
+    const stringsOrLargeNumbers = /"(?:[^"\\]|\\.)*"|-?(0|[1-9][0-9]*)(\.[0-9]+)?([eE][+-]?[0-9]+)?/g;
     const noiseValueWithQuotes = /^"-?\d+n+"$/; // Noise - strings that match the custom format before being converted to it
     const customFormat = /^-?\d+n$/;