Regular Expressions 101

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Community Patterns

0

BDO client ID

PCRE2 (PHP >=7.3)
Validates client IDs
Submitted by anonymous - a year ago
0

Splitting Inconsistent Addresses

PCRE2 (PHP >=7.3)
This pattern matches inconsistent addresses that have various street names and coordinates. This captures the Address 1 & 2, Type of Street, Coordinates (NE, NW, SE,SW) City, State, and Full zip
Submitted by Nadira S Fant - a year ago
0

Salesforce - Flow Naming Conventions

PCRE2 (PHP >=7.3)
Ensure that Salesforce Flow name meets the following standards: - -
Submitted by anonymous - a year ago (Last modified a year ago)
0

Validate comma-separated list of values (allowed: words; digits; special characters; single non-trailing non-leading spaces;)

PCRE2 (PHP >=7.3)
Validate comma-separated list of values (allowed: words; digits; special characters; single non-trailing non-leading spaces;)
Submitted by anonymous - a year ago
0

Twitch data capturing

ECMAScript (JavaScript)
Matches the data sent by the twitch IRC and captures into various groups
Submitted by Bucky - a year ago (Last modified a year ago)
0

text has numbers

ECMAScript (JavaScript)
text has numbers
Submitted by vijay - a year ago
0

email matcher

PCRE2 (PHP >=7.3)
match some emails and extract their local part and domain
Submitted by dang duomg 191 - 7 months ago (Last modified 7 months ago)
1...900901902

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
e[yw][A-Za-z0-9-_]+\.(?:e[yw][A-Za-z0-9-_]+)?\.[A-Za-z0-9-_]{2,}(?:(?:\.[A-Za-z0-9-_]{2,}){2})?
/
g
Open regex in editor

Description

  • handles both JWS (3 segments) and JWE (5 segments)
    • remove the ending (?:(?:... to handle JWS only
  • segments 1+2 are expected tp start with e[yw], an encoded start of JSON object {" or {\n
    • remove/extend it to match used token structure
    • or make it even more restrictive (ey[IJ]|ewo) to match encoded {"\w or {\n"
  • payload (2nd segment) may be empty
  • both header (1st segment) and payload are expected to start with eyJ, a base64 encoded start of JSON object {"
  • accepts only proper Base64url encoding (RFC 4648) without Base64 padding =
  • test it at https://regex101.com/r/V99DS0
Submitted by iki - 6 months ago (Last modified 5 months ago)