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  1. #!/bin/bash
  2. s='This is my=test and class=76 This is my=test and class=78 This is my=test2 and \n class=76 This is my=test3 and class=75 This is my=test1 and class=79.'
  3. grep -oE '\<class=[^ ]+'  <<< "$s"
Success #stdin #stdout 0s 19632KB
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stdin
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Standard input is empty
stdout
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class=76
class=78
class=76
class=75
class=79.
https://ideone.com/53UoV8
language:
Bash (bash 5.0.3)
created:
5 years ago
visibility:
secret

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