Regular Expressions 101

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`
(Yii::t\(\s*)(\'|\")(.*?)(\'|\")\,\s*(\'|\")(.*?)(\'|\")\)
`
g
1st Capturing Group
(Yii::t\(\s*)
Yii::t
matches the characters Yii::t literally (case sensitive)
\( matches the character ( with index 4010 (2816 or 508) literally (case sensitive)
\s
matches any whitespace character (equivalent to [\r\n\t\f\v ])
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
2nd Capturing Group
(\'|\")
1st Alternative
\'
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
2nd Alternative
\"
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
3rd Capturing Group
(.*?)
.
matches any character (except for line terminators)
*? matches the previous token between zero and unlimited times, as few times as possible, expanding as needed (lazy)
4th Capturing Group
(\'|\")
1st Alternative
\'
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
2nd Alternative
\"
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
\, matches the character , with index 4410 (2C16 or 548) literally (case sensitive)
\s
matches any whitespace character (equivalent to [\r\n\t\f\v ])
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
5th Capturing Group
(\'|\")
1st Alternative
\'
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
2nd Alternative
\"
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
6th Capturing Group
(.*?)
.
matches any character (except for line terminators)
*? matches the previous token between zero and unlimited times, as few times as possible, expanding as needed (lazy)
7th Capturing Group
(\'|\")
1st Alternative
\'
\' matches the character ' with index 3910 (2716 or 478) literally (case sensitive)
2nd Alternative
\"
\" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
\) 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.

Regular Expression
No Match

`
`
g

Test String