regex101: PCRE (Legacy) Match Workspace

1st Alternative^(?!.*?\{{2}\h*translateAttr).*(*SKIP)(*F)

^start of line

Negative Lookahead(?!.*?\{{2}\h*translateAttr)

.*?any character (except for line terminators), repeated any number of times

\{{2}the literal { (123₁₀ / 173₈ / 7B₁₆) , repeated exactly 2 times

\h*any horizontal whitespace character, repeated any number of times

translateAttrthe literal text translateAttr (case insensitive)

.*any character (except for line terminators), repeated any number of times

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*F)forces the current match attempt to fail at this position

2nd Alternative=(["'])((?:\\\1|(?!\1).)*)\1

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Group 1(["'])

Character Class["']

"the literal " (34₁₀ / 42₈ / 22₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Group 2((?:\\\1|(?!\1).)*)

Non-Capturing Group(?:\\\1|(?!\1).)*

*repeats the group contents below any number of times:

1st Alternative\\\1

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

\1the text saved by group 1

2nd Alternative(?!\1).

Negative Lookahead(?!\1)

\1the text saved by group 1

.any character (except for line terminators)

\1the text saved by group 1

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Search reference

Regular Expression

^(?!.*?\{{2}\h*translateAttr).*(*SKIP)(*F)|=(["'])((?:\\\1|(?!\1).)*)\1

Test String
New

<body>
    {{ t "foo" }}
    {{t "bar"}}
    {{t 'baz'}}
    {{ t 'qux' }}
    {{ t "bux {{ var }}" var="foo" }}
    {{ button titleTranslation="button.add_user.title.foo" }}
    {{ button labelTranslation = 'button.add_user.title.bar' }}
    {{ translateAttr title="button. ' add_user.title" data-disable-with='button.add_user.disabled' }}
    {{translateAttr title="button.! add_user \"quote\" title" data-disable-with='button.add_user.disabled'}}
</body>

Regular Expression

Test StringNew

Test String
New