different between redex vs regex

redex

redex From the web:

• what redex oil for my car
• what redex should i use
• redex meaning
• redex what does it do
• what is redex adblue
• what is redex diesel system cleaner
• what is redex adblue used for
• what is redex petrol treatment

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regex

regex From the web:

• what regex does grep use
• what regex characters need to be escaped
• what regex means
• what regex does ansible use
• what regex is not equivalent to the others
• what regex does vim use
• what regex matches any character