diff --git a/src/shared-configs/DelimLookup.ts b/src/shared-configs/DelimLookup.ts
new file mode 100644
index 0000000..fa90749
--- /dev/null
+++ b/src/shared-configs/DelimLookup.ts
@@ -0,0 +1,9 @@
+import { Format } from "src/enums";
+import { MainFormat } from "src/types";
+
+export const DelimLookup: { [Prop in string]: MainFormat } = {
+    ["+"]: Format.INSERTION,
+    ["|"]: Format.SPOILER,
+    ["^"]: Format.SUPERSCRIPT,
+    ["~"]: Format.SUBSCRIPT
+}
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diff --git a/src/shared-configs/FormatRules.ts b/src/shared-configs/FormatRules.ts
new file mode 100644
index 0000000..54c75cc
--- /dev/null
+++ b/src/shared-configs/FormatRules.ts
@@ -0,0 +1,41 @@
+import { Format } from "src/enums";
+import { MainFormat } from "src/types";
+
+export const FormatRules: { [P in MainFormat]: {char: string, length: number, exactLen: boolean, allowSpace: boolean, getEl: () => Element} } = {
+    [Format.INSERTION]: {
+        char: "+",
+        length: 2,
+        exactLen: true,
+        allowSpace: true,
+        getEl: () => document.createElement("ins")
+    },
+    [Format.SPOILER]: {
+        char: "|",
+        length: 2,
+        exactLen: true,
+        allowSpace: true,
+        getEl: () => document.createElement("spoiler-span")
+    },
+    [Format.SUPERSCRIPT]: {
+        char: "^",
+        length: 1,
+        exactLen: true,
+        allowSpace: false,
+        getEl: () => document.createElement("sup")
+    },
+    [Format.SUBSCRIPT]: {
+        char: "~",
+        length: 1,
+        exactLen: true,
+        allowSpace: false,
+        getEl: () => document.createElement("sub")
+    },
+    // unused
+    [Format.HIGHLIGHT]: {
+        char: "=",
+        length: 2,
+        exactLen: false,
+        allowSpace: true,
+        getEl: () => document.createElement("mark")
+    }
+}
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diff --git a/src/shared-configs/NonHighlightFormats.ts b/src/shared-configs/NonHighlightFormats.ts
new file mode 100644
index 0000000..5267f1d
--- /dev/null
+++ b/src/shared-configs/NonHighlightFormats.ts
@@ -0,0 +1,12 @@
+import { MainFormat } from "src/types";
+import { FormatRules } from "src/shared-configs";
+import { Format } from "src/enums";
+
+export const NonHighlightFormats = (() => {
+    let formats: MainFormat[] = [];
+    for (let format in FormatRules) {
+        let type = Number.parseInt(format) as MainFormat;
+        if (type != Format.HIGHLIGHT) { formats.push(type) }
+    }
+    return formats;
+})();
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diff --git a/src/shared-configs/SpaceAllowedFormats.ts b/src/shared-configs/SpaceAllowedFormats.ts
new file mode 100644
index 0000000..21dcf42
--- /dev/null
+++ b/src/shared-configs/SpaceAllowedFormats.ts
@@ -0,0 +1,11 @@
+import { MainFormat } from "src/types";
+import { FormatRules } from "src/shared-configs";
+
+export const SpaceAllowedFormats = (() => {
+    let formats: MainFormat[] = [];
+    for (let format in FormatRules) {
+        let type = Number.parseInt(format) as MainFormat;
+        if (FormatRules[type].allowSpace) { formats.push(type) }
+    }
+    return formats;
+})();
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diff --git a/src/shared-configs/SpaceRestrictedFormats.ts b/src/shared-configs/SpaceRestrictedFormats.ts
new file mode 100644
index 0000000..61b247a
--- /dev/null
+++ b/src/shared-configs/SpaceRestrictedFormats.ts
@@ -0,0 +1,11 @@
+import { MainFormat } from "src/types";
+import { FormatRules } from "src/shared-configs";
+
+export const SpaceRestrictedFormats = (() => {
+    let formats: MainFormat[] = [];
+    for (let format in FormatRules) {
+        let type = Number.parseInt(format) as MainFormat;
+        if (!FormatRules[type].allowSpace) { formats.push(type) }
+    }
+    return formats;
+})();
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diff --git a/src/shared-configs/index.ts b/src/shared-configs/index.ts
new file mode 100644
index 0000000..d59e553
--- /dev/null
+++ b/src/shared-configs/index.ts
@@ -0,0 +1,5 @@
+export * from "./DelimLookup";
+export * from "./FormatRules";
+export * from "./NonHighlightFormats";
+export * from "./SpaceAllowedFormats";
+export * from "./SpaceRestrictedFormats";
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