Regular Expressions 101

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/
Yii::t\((?:['"][^'"]*['"],?\s*)*\)
/
g
Yii::t
matches the characters Yii::t literally (case sensitive)
\( matches the character ( with index 4010 (2816 or 508) literally (case sensitive)
Non-capturing group
(?:['"][^'"]*['"],?\s*)*
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
Match a single character present in the list below
['"]
'"
matches a single character in the list '" (case sensitive)
Match a single character not present in the list below
[^'"]
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
'"
matches a single character in the list '" (case sensitive)
Match a single character present in the list below
['"]
'"
matches a single character in the list '" (case sensitive)
,
matches the character , with index 4410 (2C16 or 548) literally (case sensitive)
\s
matches any whitespace character (equivalent to [\r\n\t\f\v ])
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
\) matches the character ) with index 4110 (2916 or 518) 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