Regular Expressions 101

platformthe literal text platform (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1(ios|android|mac|win|linux)

1st Alternativeios

iosthe literal text ios (case sensitive)

2nd Alternativeandroid

androidthe literal text android (case sensitive)

3rd Alternativemac

macthe literal text mac (case sensitive)

4th Alternativewin

winthe literal text win (case sensitive)

5th Alternativelinux

linuxthe literal text linux (case sensitive)

app_versionthe literal text app_version (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 2([0-9]\.[0-9]+\.[0-9]+)

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

core_levelthe literal text core_level (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 3([1-9][0-9]+)

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group 4( |$)

1st Alternative

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative$

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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25 tokens

Regular Expression

 platform\/(ios|android|mac|win|linux) app_version\/([0-9]\.[0-9]+\.[0-9]+) core_level\/([1-9][0-9]+)( |$)

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