Regular Expressions 101

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/
Non*
/
g
No
matches the characters No literally (case sensitive)
n
matches the character n with index 11010 (6E16 or 1568) literally (case sensitive)
Global pattern flags
g modifier: global. All matches (don't return after first match)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

/
/
g

Test String