regex - preg_replace to find and replace a string in php -

this question exact duplicate of:

• preg_replace find string , replace php [closed] 1 answer

using preg_replace find symbols + or - contains inside of string, if found means replace string double quote("") or single quote('').

for eg:

1.if sometext+sometext replace "sometext+sometext"

2.if sometext-sometext replace "sometext-sometext"

try following code:

echo preg_replace('/\b\w+[+-]\w+\b/', '"$0"', $text);