Regular Expressions 101

Explanation
Pro

<actor=the literal text <actor= (case sensitive)

Group 1(\w+)

\w+any word character, repeated at least once

Group 2(\s(?'kword1'\w+)(=(?'val1'\w+))?)?

?repeats the group contents below at most once:

\sany whitespace character

Group kword1(?'kword1'\w+)

\w+any word character, repeated at least once

Group 4(=(?'val1'\w+))?

?repeats the group contents below at most once:

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group val1(?'val1'\w+)

\w+any word character, repeated at least once

Group 6(\s(?'kword2'.+?)(=(?'val2'\w+))?)?

?repeats the group contents below at most once:

\sany whitespace character

Group kword2(?'kword2'.+?)

.+?any character, repeated at least once

Group 8(=(?'val2'\w+))?

?repeats the group contents below at most once:

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group val2(?'val2'\w+)

\w+any word character, repeated at least once

Group 10(\s(?'kword3'.+?)(=(?'val3'\w+))?)?

?repeats the group contents below at most once:

\sany whitespace character

Group kword3(?'kword3'.+?)

.+?any character, repeated at least once

Group 12(=(?'val3'\w+))?

?repeats the group contents below at most once:

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group val3(?'val3'\w+)

\w+any word character, repeated at least once

Group 14(\s(?'kword4'.+?)(=(?'val4'.+?))?)?

?repeats the group contents below at most once:

\sany whitespace character

Group kword4(?'kword4'.+?)

.+?any character, repeated at least once

Group 16(=(?'val4'.+?))?

?repeats the group contents below at most once:

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group val4(?'val4'.+?)

.+?any character, repeated at least once

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Global pattern flags

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

s modifier: single line. Allows a dot to match line terminators

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

<actor=(\w+)(\s(?'kword1'\w+)(=(?'val1'\w+))?)?(\s(?'kword2'.+?)(=(?'val2'\w+))?)?(\s(?'kword3'.+?)(=(?'val3'\w+))?)?(\s(?'kword4'.+?)(=(?'val4'.+?))?)?>

New

<actor=vencil lookat=beatrice enter transfer=vencil set="Vencil 1">