Regular Expressions 101

Explanation

Pro

Negative Lookbehind(?<!<(a|button|submit|pre|img|svg|path|h[0-9]|.*data-ignore.*>|input\/>|textarea|pre|code))

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Group 1(a|button|submit|pre|img|svg|path|h[0-9]|.*data-ignore.*>|input\/>|textarea|pre|code)

1st Alternativea

athe literal a (97₁₀ / 141₈ / 61₁₆) (case insensitive)

2nd Alternativebutton

buttonthe literal text button (case insensitive)

3rd Alternativesubmit

submitthe literal text submit (case insensitive)

4th Alternativepre

prethe literal text pre (case insensitive)

5th Alternativeimg

imgthe literal text img (case insensitive)

6th Alternativesvg

svgthe literal text svg (case insensitive)

7th Alternativepath

paththe literal text path (case insensitive)

8th Alternativeh[0-9]

hthe literal h (104₁₀ / 150₈ / 68₁₆) (case insensitive)

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

9th Alternative.*data-ignore.*>

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

data-ignorethe literal text data-ignore (case insensitive)

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

>the literal > (62₁₀ / 76₈ / 3E₁₆)

10th Alternativeinput\/>

inputthe literal text input (case insensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

11th Alternativetextarea

textareathe literal text textarea (case insensitive)

12th Alternativepre

prethe literal text pre (case insensitive)

13th Alternativecode

codethe literal text code (case insensitive)

Group 2((?<!(="|data-))\btext\b(?!"))

Negative Lookbehind(?<!(="|data-))

Group 3(="|data-)

1st Alternative="

="the literal text ="

2nd Alternativedata-

data-the literal text data- (case insensitive)

\ban ASCII word boundary

textthe literal text text (case insensitive)

\ban ASCII word boundary

Negative Lookahead(?!")

"the literal " (34₁₀ / 42₈ / 22₁₆)

Negative Lookahead(?!<\/(a|button|submit|pre|img|svg|path|h[0-9])>)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 4(a|button|submit|pre|img|svg|path|h[0-9])

1st Alternativea

athe literal a (97₁₀ / 141₈ / 61₁₆) (case insensitive)

2nd Alternativebutton

3rd Alternativesubmit

4th Alternativepre

5th Alternativeimg

6th Alternativesvg

7th Alternativepath

8th Alternativeh[0-9]

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Global pattern flags

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

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

26 tokens

Regular Expression

(?<!<(a|button|submit|pre|img|svg|path|h[0-9]|.*data-ignore.*>|input\/>|textarea|pre|code))((?<!(="|data-))\btext\b(?!"))(?!<\/(a|button|submit|pre|img|svg|path|h[0-9])>)

New

text
TEXT
TeXt
<span data-text>text</span>


---IGNORE THESE----
<a id="text">Text</a>
<button>text</button>
<span class="text">asdasdsa</span>
<span data-ignore>text</span>
<input type="text" />
<h1 class="text">text</h1>
<h1 data-text></h1>
<h4>text</h4>
<pre>text</pre>