Amazon Web Services Client ID Regular Expression
A regular expression to match an Amazon Web Services (AWS) Client ID, which is a unique identifier for an AWS accountStandardization.
Base32 Encoded String Regular Expression
A regular expression that matches a valid Base32 encoded string.
Regular Expression To Match Chinese Characters
A regular expression that matches any Chinese characters (both Simplified and Traditional Chinese).
Digital Object Identifier Regular Expression
A regular expression to match a Digital Object Identifier (DOI).
WordPress Shortcode Regular Expression
A regular expression to match a WordPress shortcode, which is written inside two square brackets.
Regex To Match Positive or Negative Number
A regular expression to match a positive or negative integer value.
Regular Expression To Match Morse Code
A regular expression to match Morse Code.
CSS Comment Regular Expression
A regular expression to match CSS Comments within your document.
YouTube Channel ID Regular Expression
A regular expression to match a YouTube Channel ID.
Regular Expression To Validate Grade Point Average
A regular expression to validate Grade Point Average (GPA), which is between 0.00 and 4.00.
Regular Expression To Match Argentine Postal Code (CPA)
A regular expression to match postal codes (Código Postal Argentino) in Argentina.
Regular Expression To Match Microsoft Product Key
A regular expression to match a Microsoft Product Key, which is a 25-character code that's used to activate Windows.
Regular Expression To Limit Length Of Characters
A regular expression to limit the length of characters (between x and y characters long).
Regular Expression To Validate ICD-10-CM Codes
A regular expression to verify it is a valid ICD-10-CM (International Classification of Diseases, Tenth Revision, Clinical Modification) code.
Regular Expression To Validate ICD-9 Codes
A regular expression to verify it is a valid ICD-9 (International Classification of Diseases, Ninth Revision) code.
Regular Expression To Match Brazilian Postal Codes (CEP)
A regular expression to match postal codes (also called CEP) in Brazil.
Regular Expression To Match Variable Names In Programming Languages
A regular expression to match variable names (also called identifiers) in programming languages. /^[a-zA-Z_][a-zA-Z0-9_]*$/ Click To Copy Matches: regexPattern regex_pattern regex Non-matches: regex pattern regex-pattern regex|pattern
Phone Number Regular Expressions
A collection of useful Regular Expressions to parse, validate, and format phone numbers around the world.
Regular Expression To Match Roman Numerals
A regular expression to match valid Roman Numerals, which are written using the letters M, D, C, L, X, V, and I.
Regular Expression To Match Feet And Inches
A regular expression to match Feet And Inches.
Regular Expression To Match U.S. Amateur Radio Call Signs
A regular expression to match amateur radio call signs in the United States.