diff --git a/lib/helpers/regexs.js b/lib/helpers/regexs.js
new file mode 100644
index 0000000..dea828c
--- /dev/null
+++ b/lib/helpers/regexs.js
@@ -0,0 +1,13 @@
+// source: https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string
+export const semVerRegex = new RegExp(
+  /^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/,
+);
+
+export const regularVersionRegex = composeSemverRegex(/\bversion:\s*"/, /"/);
+export const attributeVersionRegex = composeSemverRegex(/@version\s+"/, /"/);
+
+function composeSemverRegex(head, tail) {
+  return new RegExp(
+    head.source + semVerRegex.source.replace(/[\^$]/g, "") + tail.source,
+  );
+}
diff --git a/tests/fixtures/regexs.fixture.js b/tests/fixtures/regexs.fixture.js
new file mode 100644
index 0000000..43e99bb
--- /dev/null
+++ b/tests/fixtures/regexs.fixture.js
@@ -0,0 +1,76 @@
+export const validSemVers = [
+  "0.0.4",
+  "1.2.3",
+  "10.20.30",
+  "1.1.2-prerelease+meta",
+  "1.1.2+meta",
+  "1.1.2+meta-valid",
+  "1.0.0-alpha",
+  "1.0.0-beta",
+  "1.0.0-alpha.beta",
+  "1.0.0-alpha.beta.1",
+  "1.0.0-alpha.1",
+  "1.0.0-alpha0.valid",
+  "1.0.0-alpha.0valid",
+  "1.0.0-alpha-a.b-c-somethinglong+build.1-aef.1-its-okay",
+  "1.0.0-rc.1+build.1",
+  "2.0.0-rc.1+build.123",
+  "1.2.3-beta",
+  "10.2.3-DEV-SNAPSHOT",
+  "1.2.3-SNAPSHOT-123",
+  "1.0.0",
+  "2.0.0",
+  "1.1.7",
+  "2.0.0+build.1848",
+  "2.0.1-alpha.1227",
+  "1.0.0-alpha+beta",
+  "1.2.3----RC-SNAPSHOT.12.9.1--.12+788",
+  "1.2.3----R-S.12.9.1--.12+meta",
+  "1.2.3----RC-SNAPSHOT.12.9.1--.12",
+  "1.0.0+0.build.1-rc.10000aaa-kk-0.1",
+  "99999999999999999999999.999999999999999999.99999999999999999",
+  "1.0.0-0A.is.legal",
+];
+
+export const invalidSemVers = [
+  "1",
+  "1.2",
+  "1.2.3-0123",
+  "1.2.3-0123.0123",
+  "1.1.2+.123",
+  "+invalid",
+  "-invalid",
+  "-invalid+invalid",
+  "-invalid.01",
+  "alpha",
+  "alpha.beta",
+  "alpha.beta.1",
+  "alpha.1",
+  "alpha+beta",
+  "alpha_beta",
+  "alpha.",
+  "alpha..",
+  "beta",
+  "1.0.0-alpha_beta",
+  "-alpha.",
+  "1.0.0-alpha..",
+  "1.0.0-alpha..1",
+  "1.0.0-alpha...1",
+  "1.0.0-alpha....1",
+  "1.0.0-alpha.....1",
+  "1.0.0-alpha......1",
+  "1.0.0-alpha.......1",
+  "01.1.1",
+  "1.01.1",
+  "1.1.01",
+  "1.2",
+  "1.2.3.DEV",
+  "1.2-SNAPSHOT",
+  "1.2.31.2.3----RC-SNAPSHOT.12.09.1--..12+788",
+  "1.2-RC-SNAPSHOT",
+  "-1.0.3-gamma+b7718",
+  "+justmeta",
+  "9.8.7+meta+meta",
+  "9.8.7-whatever+meta+meta",
+  "99999999999999999999999.999999999999999999.99999999999999999----RC-SNAPSHOT.12.09.1--------------------------------..12",
+];
diff --git a/tests/regexs.test.js b/tests/regexs.test.js
new file mode 100644
index 0000000..0f61e3b
--- /dev/null
+++ b/tests/regexs.test.js
@@ -0,0 +1,86 @@
+import {
+  attributeVersionRegex,
+  regularVersionRegex,
+  semVerRegex,
+} from "../lib/helpers/regexs";
+import { invalidSemVers, validSemVers } from "./fixtures/regexs.fixture";
+
+describe("semVerRegex", () => {
+  it("should match valid values", () => {
+    // eslint-disable-next-line jest/prefer-expect-assertions
+    expect.assertions(validSemVers.length);
+
+    for (let semVer of validSemVers) {
+      expect(semVer).toMatch(new RegExp("^" + semVerRegex.source + "$"));
+    }
+  });
+
+  it("should not match invalid values", () => {
+    // eslint-disable-next-line jest/prefer-expect-assertions
+    expect.assertions(invalidSemVers.length);
+
+    for (let semVer of invalidSemVers) {
+      expect(semVer).not.toMatch(new RegExp("^" + semVerRegex.source + "$"));
+    }
+  });
+});
+
+describe("regularVersionRegex", () => {
+  it("should match valid values", () => {
+    // eslint-disable-next-line jest/prefer-expect-assertions
+    expect.assertions(validSemVers.length * 3);
+
+    for (let semVer of validSemVers) {
+      expect(`version:"${semVer}"`).toMatch(regularVersionRegex);
+      expect(` version: "${semVer}" ,`).toMatch(regularVersionRegex);
+      expect(`  version:  "${semVer}"  ,`).toMatch(regularVersionRegex);
+    }
+  });
+
+  it("should not match invalid values", () => {
+    // eslint-disable-next-line jest/prefer-expect-assertions
+    expect.assertions(validSemVers.length * 5 + invalidSemVers.length);
+
+    for (let semVer of validSemVers) {
+      expect(`version: ${semVer}`).not.toMatch(regularVersionRegex);
+      expect(`version "${semVer}"`).not.toMatch(regularVersionRegex);
+      expect(`versin: "${semVer}",`).not.toMatch(regularVersionRegex);
+      expect(`"~> ${semVer}"`).not.toMatch(regularVersionRegex);
+      expect(`tag: "${semVer}",`).not.toMatch(regularVersionRegex);
+    }
+
+    for (let semVer of invalidSemVers) {
+      expect(`version: "${semVer}"`).not.toMatch(regularVersionRegex);
+    }
+  });
+});
+
+describe("attributeVersionRegex", () => {
+  it("should match valid values", () => {
+    // eslint-disable-next-line jest/prefer-expect-assertions
+    expect.assertions(validSemVers.length * 3);
+
+    for (let semVer of validSemVers) {
+      expect(`@version "${semVer}"`).toMatch(attributeVersionRegex);
+      expect(` @version "${semVer}"`).toMatch(attributeVersionRegex);
+      expect(`  @version  "${semVer}"`).toMatch(attributeVersionRegex);
+    }
+  });
+
+  it("should not match invalid values", () => {
+    // eslint-disable-next-line jest/prefer-expect-assertions
+    expect.assertions(validSemVers.length * 5 + invalidSemVers.length);
+
+    for (let semVer of validSemVers) {
+      expect(`@version ${semVer}`).not.toMatch(attributeVersionRegex);
+      expect(`@version"${semVer}"`).not.toMatch(attributeVersionRegex);
+      expect(`@versin "${semVer}"`).not.toMatch(attributeVersionRegex);
+      expect(`"~> ${semVer}"`).not.toMatch(attributeVersionRegex);
+      expect(`@tag "${semVer}"`).not.toMatch(attributeVersionRegex);
+    }
+
+    for (let semVer of invalidSemVers) {
+      expect(`@version "${semVer}"`).not.toMatch(attributeVersionRegex);
+    }
+  });
+});