Extract text from a string

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The following regex extract anything between the parenthesis:

PS> $prog = [regex]::match($s,'\(([^\)]+)\)').Groups[1].Value
PS> $prog
SUB RAD MSD 50R III

Explanation (created with RegexBuddy)

Match the character '(' literally «\(»
Match the regular expression below and capture its match into backreference number 1 «([^\)]+)»
   Match any character that is NOT a ) character «[^\)]+»
      Between one and unlimited times, as many times as possible, giving back as needed (greedy) «+»
Match the character ')' literally «\)»

Further Reading:

  • Regular-Expressions.info
  • Regular Expressions Are Your Friend (Part 1)
  • Regular Expressions Are Your Friend (Part 2)
  • Regular Expressions Are Your Friend (Part 3)

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