Regular Expressions 101

Group 1(\<meta([\s]*(name="viewport"){1})[\w\d\s\.\-,=]*(content="){1}[\w\d\s\.\-,=]*(viewport-fit=cover){1}[\w\d\s\.\-,="]+\/\>)

\<the literal < (60₁₀ / 74₈ / 3C₁₆)

metathe literal text meta (case sensitive)

Group 2([\s]*(name="viewport"){1})

Character Class[\s]*

*matches any number of characters from the set below:

\sany whitespace character

Group 3(name="viewport"){1}

{1}repeats the group contents below exactly 1 time:

name="viewport"the literal text name="viewport" (case sensitive)

Character Class[\w\d\s\.\-,=]*

*matches any number of characters from the set below:

\wany word character

\da digit

\sany whitespace character

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group 4(content="){1}

{1}repeats the group contents below exactly 1 time:

content="the literal text content=" (case sensitive)

Character Class[\w\d\s\.\-,=]*

*matches any number of characters from the set below:

\wany word character

\da digit

\sany whitespace character

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group 5(viewport-fit=cover){1}

{1}repeats the group contents below exactly 1 time:

viewport-fit=coverthe literal text viewport-fit=cover (case sensitive)

Character Class[\w\d\s\.\-,="]+

+matches at least one character from the set below:

\wany word character

\da digit

\sany whitespace character

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\>the literal > (62₁₀ / 76₈ / 3E₁₆)

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Search reference

Regular Expression

(\<meta([\s]*(name="viewport"){1})[\w\d\s\.\-,=]*(content="){1}[\w\d\s\.\-,=]*(viewport-fit=cover){1}[\w\d\s\.\-,="]+\/\>)

Unit Tests

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