Regular Expressions 101

^start of string

Group 1([^,]*,){1}

{1}repeats the group contents below exactly 1 time:

Negated Character Class[^,]*

*matches any number of characters outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

jeremy,the literal text jeremy, (case sensitive)

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^([^,]*,){1}jeremy,

Test String
New

20116,jeremy,chrome.exe,C:\Program Files (x86)\Google\Chrome\Application\chrome.exe,19233,chrome.exe,,,,"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --type=renderer

Regular Expression

Test StringNew

SubstitutionProcessing...

Test String
New

Substitution
Processing...