Regular Expressions 101

{IF:the literal text {IF: (case insensitive)

Group 1(.*?)

.*?any character (except for line terminators), repeated any number of times

}the literal } (125₁₀ / 175₈ / 7D₁₆)

Character Class[\s]*?

*?matches any number of characters from the set below:

\sany whitespace character

Group 2(.*?)

.*?any character (except for line terminators), repeated any number of times

Character Class[\s]*?

*?matches any number of characters from the set below:

\sany whitespace character

{ELSE}the literal text {ELSE} (case insensitive)

Character Class[\s]*?

*?matches any number of characters from the set below:

\sany whitespace character

Group 3(.*?)

.*?any character (except for line terminators), repeated any number of times

Character Class[\s]*?

*?matches any number of characters from the set below:

\sany whitespace character

{ENDIF}the literal text {ENDIF} (case insensitive)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

{IF:(.*?)}[\s]*?(.*?)[\s]*?{ELSE}[\s]*?(.*?)[\s]*?{ENDIF}

New

// Does NOT Work with html tags//        

		{IF:(!isset($_SESSION['loggedin']))}

			<div>
              <p>This code no longer works</p>
              <p>Remove this div and everything will work.</p>
			</div>

        {ELSE}

			Bleh

        {ENDIF}