Regular Expressions 101

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/
<(\|+=)*\|+:\)~
/
< matches the character < with index 6010 (3C16 or 748) literally (case sensitive)
1st Capturing Group
(\|+=)*
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
A repeated capturing group will only capture the last iteration. Put a capturing group around the repeated group to capture all iterations or use a non-capturing group instead if you're not interested in the data
\|
matches the character | with index 12410 (7C16 or 1748) literally (case sensitive)
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
= matches the character = with index 6110 (3D16 or 758) literally (case sensitive)
\|
matches the character | with index 12410 (7C16 or 1748) literally (case sensitive)
+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)
: matches the character : with index 5810 (3A16 or 728) literally (case sensitive)
\) matches the character ) with index 4110 (2916 or 518) literally (case sensitive)
~ matches the character ~ with index 12610 (7E16 or 1768) literally (case sensitive)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

/
/

Test String