You can write regular expressions some different ways, e.g. /regex/ and %r{regex}. For examples, look here. Remember that it is always a good idea to match a regex visually...
Alternation cat|dog will match cat in "About cats and dogs", if RegEx is applied again, it will match dog Quantifiers ? none or one, e.g. colou?r matches...
When you repeat a subpattern with a *, + or {...} operator, you may choose between greedy, lazy and possessive modes. Switching modes...
Ruby has two different ways to match the start and the end of a text: ^ (Start of line) and $ (End...
...errors. Regular expressions can help you out here. Open find and replace Activate the regex mode (click on the .* icon next to the "find" field). Fill in find field with...
...to convert the url "..." to the urls ["..."] here. Open find and replace Activate the regex mode Fill in find field with e.g. url (? .*?) Hint: the "url" at the beginning of...
...is growing complex, you can use the /x modifier to ignore whitespace and comments: regexp = %r{ start # some text \s # white space char (group) # first group (?:alt1|alt2) # some alternation...
...contained in a character class. More tools to simplify regular expessions Named capture groups
Percent Notation We already know that that we can create strings using the percent notation: %(<foo="bar's ton">) is...
An alternative of using a multiple assignment for a Regex are named groups. Especially when your Regex becomes more complicates it is easier to understand and to process. Note:
...reasons, though. Since Ruby 2.3, Ruby's URI lib provides a built-in email regex URI::MailTo::EMAIL_REGEXP. That's the best solution to work with.
...want to be less restrictive about the email verification, you can use the default regex from Devise: Devise.email_regexp => /\A[^@\s]+@[^@\s]+\z/ Other patterns we used in the past...
def foo(expected, actual) expected === actual end In case expected is a Regex, it suggests to change it to the following pattern: def foo(expected, actual) expected.match?(actual...
In case expected is a Regex or a String, you need to keep ===. Otherwise the actual expression is always converted to a regular expression. # For expected === actual
When you have many changes, and you want to spread them across different commits, here is a way to stage...
For Email-Patterns see most recent E-Mail-Pattern. HOST = /\A[a-z0-9]+[a-z0-9\-\.]*[a-z0-9...
A collection of code snippets which return a boolean value for a regex comparison. regexp.match?(string) # Recommended for Ruby >= 2.4 !!(string =~ regexp) # Recommended for older Rubies regexp === string !(regexp !~ string...
...The Ruby 2.4 method Regexp#match? does not set globals like $~ or $1, so it should be more performant...
Our most recent pattern is EMAIL = /\A[a-z0-9\+\-_\.]+@[a-z\d\-.]+\.[a-z]+\z/i Notes
...your Terser configuration in webpack.config.js: { ... optimization: { minimize: true, minimizer: [ new TerserPlugin({ terserOptions: { ..., mangle: { properties: { regex: /^[_#]/ } } } }) ] } } Configuring Webpacker (Rails) To configure Webpack to mangle private properties, make a change to your...
const TerserPlugin = require('terser-webpack-plugin') terser = webpackConfig.optimization.minimizer.find(plugin => (plugin instanceof TerserPlugin)) terser.options.terserOptions.mangle.properties = { regex: /^[_#]/ } module.exports = webpackConfig
/^([\w!#$%&'*+-/=?^`{|}~]+.)*[\w!#$%&'*+-/=?^`{|}~]+@((((([a-z0-9]{1}[a-z0-9-]{0,62}[a-z0-9]{1})|[a-z]).)+[a-z]{2...
Regular expressions in Javascript are represented by a RegExp object. There also is a regex literal as in many other languages: /regex/. However, they are used slightly differently.
Shorthand for creating a regular expression object RegExp() object Usage: RegExp("foo+") or new RegExp("foo+") No surrounding slashes required (they're the literal markers) Since the argument...
...and does not depend on an external SaaS service. Truemail supports different validation "layers": Regex validation: if the given address is syntactically valid DNS validation (called MX validation): if the...
...validation_type = :mx), but set config.not_rfc_mx_lookup_flow = true. Validation methods explained Regex validation (1) is pretty straight-forward and basically "free" since you're not making and...
...take your escaped quotation marks. Workarounds One workaround is to write the step as regex (since there is a step taking a regex): Then I should see /Did you see...
...those "quotation marks" over there\?/ Keep in mind it’s a regex – escape regex characters like '?'. When you have a Cucumber step like Then I should fill in "query" with...
...Find in File..."). The directory filter will be automatically filled with the marked directory. Regex (alt + x) Your possibilities are almost endless here - you can use the full power of...
...Info About Your Ruby Gems Environment gem environment Mocking Requests With Partial URIs Using Regex Note the elegant way to describe Regex URLs: %r|/foo/bar| stub_request(:post, %r|/api/posts...
Note: The step below will override a spreewald step and allows to use Regex for the filename. You might want to rename this step within you project in case...
expect(subject).to receive(:bar).with(/regex/) subject.bar(/regex/) # satisfies the expectation subject.bar('regex') # also satisfies the expectation This is usually not an issue, except when your method arguments...
...are things like classes, regexps or ranges. If you want to expect strict equality, you could use expect(subject).to receive(:foo).with(eq(MyClass)) or expect(subject).to receive...
...DEFAULT_TERSER_OPTIONS = { compress: { // https://github.com/terser/terser#compress-options passes: 3, }, mangle: { // https://github.com/terser/terser#mangle-options properties: { regex: /^[_#]/ // https://makandracards.com/makandra/608582 } }, ecma: 2021, nameCache: TERSER_NAME_CACHE, // preserve renames across files } function terserPlugin...
...steps like this: 'I should see the items "{array}"' ParameterType( name: 'array', # Note: the RegEx no longer includes the ^ and $ delimiter: regexp: /\[([^"\[\]]*)\]/, type: Array, transformer: lambda do |array_string|
...based on your existing Transform to "parameter_types.rb" using the Proxy class. ParameterTypeProxy.add( name: 'number', regexp: /\d/, type: Integer, transformer: lambda(&:to_i) ) 2.: These few lines allow you to use...