Regular Expressions 101

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  • PCRE2 (PHP >=7.3)
  • PCRE (PHP <7.3)
  • ECMAScript (JavaScript)
  • Python 2.7
  • Golang
  • Java 8

Function

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  • Unit Tests
"
{([^{}])\|album}
"
{ matches the character { literally (case sensitive)
1st Capturing Group
([^{}])
Match a single character not present in the list below
[^{}]
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
{} matches a single character in the list {} (case sensitive)
\| matches the character | literally (case sensitive)
album} matches the characters album} literally (case sensitive)
Your regular expression does not match the subject string.

Regular Expression
No Match

r"
"

Test String