Regular Expressions 101

Explanation
Pro

<notetag>the literal text <notetag> (case sensitive)

Non-Capturing Group(?:.*?)

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

Non-Capturing Group(?:name1:\s*(.*?)\s*)?

?repeats the group contents below at most once:

name1:the literal text name1: (case sensitive)

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

Group 1(.*?)

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

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

Non-Capturing Group(?:name2:\s*(.*?)\s*)?

?repeats the group contents below at most once:

name2:the literal text name2: (case sensitive)

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

Group 2(.*?)

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

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

Non-Capturing Group(?:name3:\s*(.*?)\s*)?

?repeats the group contents below at most once:

name3:the literal text name3: (case sensitive)

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

Group 3(.*?)

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

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

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

notetag>the literal text notetag> (case sensitive)

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

<notetag>(?:.*?)(?:name1:\s*(.*?)\s*)?(?:name2:\s*(.*?)\s*)?(?:name3:\s*(.*?)\s*)?<\/notetag>

New

Extraction