add a convenient method to run tests with npm scripts, fix a typo and add a gitignore file

Author: btargac

.gitignore

@@ -0,0 +1,59 @@
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+.env*.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# Temporary folders
+tmp/
+temp/
+
+#Jetbrains IDEs
+/.idea

README.md

@@ -1,3 +1,15 @@
 # jsnation-regex-workshop
 
 Code for the [JSNation Live](https://live.jsnation.com/workshops-3h) Regular Expressions workshop, June 14, 2021
+
+### How to run tests ?
+
+- You can simply run 
+```shell
+# just pass the number of the file name with the file parameter
+npm run test --file=1
+# notice you don't have to write the whole file name
+# just lecture number is enough for example for the 4th test;
+npm run test --file=4
+```
+

exercises/1-regexp-methods.js

@@ -16,7 +16,7 @@ assert(hasQWord("This exquisite string has no matching words.") === false);
 // followed by a space, newline, punctuation, etc.
 const findFirstWord = (inputString) => {
   const regex = /^\W*(\w+)\b/;
-  // write funtion here
+  // write function here
 };
 assert.strictEqual(
   findFirstWord("I, a JavaScript fan, am at the JSNation regex workshop!"),

exercises/2-string-methods.js

@@ -6,6 +6,7 @@ const assert = require("assert");
 // Note: later we will do this same exercise using string splitting.
 const getPunchline = (joke) => {
   const regex = /[^\?]\?\s*(.+)/;
+  // write function here
 };
 
 const joke1 =

package-lock.json

@@ -4,7 +4,7 @@
   "description": "Code for the JSNation Live Regular Expressions workshop, June 14, 2021",
   "directories": {},
   "scripts": {
-    "test": "node exercises/$1*.js"
+    "test": "node exercises/$npm_config_file*.js"
   },
   "repository": {
     "type": "git",