regex101: PCRE (Legacy) Substitution Workspace

Pro

\s*any whitespace character, repeated any number of times

Non-Capturing Group(?:(.*)\s+\{\{while\s+(.*)\}\}.*\r?\n\s*(.*)\r?\n\s*(.*)\r?\n\s*(.*)\r?\n.*)

Group 1(.*)

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

\s+any whitespace character, repeated at least once

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

whilethe literal text while (case sensitive)

\s+any whitespace character, repeated at least once

Group 2(.*)

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

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

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

\r?optionally matches a carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

\s*any whitespace character, repeated any number of times

Group 3(.*)

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

\r?optionally matches a carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

\s*any whitespace character, repeated any number of times

Group 4(.*)

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

\r?optionally matches a carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

\s*any whitespace character, repeated any number of times

Group 5(.*)

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

\r?optionally matches a carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

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

25 tokens

Regular Expression

\s*(?:(.*)\s+\{\{while\s+(.*)\}\}.*\r?\n\s*(.*)\r?\n\s*(.*)\r?\n\s*(.*)\r?\n.*)

New

<html lang="{{var doc-lang}}">
<head>
<title>{{var doc-title}}</div>
</head>
<body>
<div class="container">
    <div class="row" {{while products}}>
        {{var name}}
        {{var sku}}
        {{var barcode}}
    </div {{while end}}>
</div>
</body>
</html>

Substitution

'$1', [$2], $3, $4 and $5

<html lang="{{var doc-lang}}">
<head>
<title>{{var doc-title}}</div>
</head>
<body>
<div class="container">
    <div class="row" {{while products}}>
        {{var name}}
        {{var sku}}
        {{var barcode}}
    </div {{while end}}>
</div>
</body>
</html>